11633132449 has 3 divisors (see below), whose sum is σ = 11633240307. Its totient is φ = 11633024592.

The previous prime is 11633132437. The next prime is 11633132461. The reversal of 11633132449 is 94423133611.

The square root of 11633132449 is 107857.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94423133611 = 101 ⋅934882511.

It is an interprime number because it is at equal distance from previous prime (11633132437) and next prime (11633132461).

It can be written as a sum of positive squares in only one way, i.e., 3502864225 + 8130268224 = 59185^2 + 90168^2 .

It is not a de Polignac number, because 11633132449 - 2¹³ = 11633124257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11633172449) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 53929 + ... + 161785.

It is an arithmetic number, because the mean of its divisors is an integer number (3877746769).

Almost surely, 2^11633132449 is an apocalyptic number.

11633132449 is the 107857-th square number.

11633132449 is the 53929-th centered octagonal number.

It is an amenable number.

11633132449 is a deficient number, since it is larger than the sum of its proper divisors (107858).

11633132449 is an frugal number, since it uses more digits than its factorization.

11633132449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215714 (or 107857 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

Multiplying 11633132449 by its product of digits (46656), we get a square (542755427540544 = 23297112²).

The spelling of 11633132449 in words is "eleven billion, six hundred thirty-three million, one hundred thirty-two thousand, four hundred forty-nine".