11633172449 has 2 divisors, whose sum is σ = 11633172450. Its totient is φ = 11633172448.

The previous prime is 11633172431. The next prime is 11633172517. The reversal of 11633172449 is 94427133611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11633132449 + 40000 = 107857^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 11633172449 - 2⁸ = 11633172193 is a prime.

It is not a weakly prime, because it can be changed into another prime (11633172409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5816586224 + 5816586225.

It is an arithmetic number, because the mean of its divisors is an integer number (5816586225).

Almost surely, 2^11633172449 is an apocalyptic number.

It is an amenable number.

11633172449 is a deficient number, since it is larger than the sum of its proper divisors (1).

11633172449 is an equidigital number, since it uses as much as digits as its factorization.

11633172449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 41.

The spelling of 11633172449 in words is "eleven billion, six hundred thirty-three million, one hundred seventy-two thousand, four hundred forty-nine".