2632521138449 has 4 divisors (see below), whose sum is σ = 2723297729460. Its totient is φ = 2541744547440.

The previous prime is 2632521138329. The next prime is 2632521138463. The reversal of 2632521138449 is 9448311252362.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1809581872849 + 822939265600 = 1345207^2 + 907160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2632521138449 - 2²⁰ = 2632520089873 is a prime.

It is a super-2 number, since 2×2632521138449² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2632521138397 and 2632521138406.

It is not an unprimeable number, because it can be changed into a prime (2632521138479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45388295462 + ... + 45388295519.

It is an arithmetic number, because the mean of its divisors is an integer number (680824432365).

Almost surely, 2^{2632521138449} is an apocalyptic number.

2632521138449 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2632521138449 is a deficient number, since it is larger than the sum of its proper divisors (90776591011).

2632521138449 is an equidigital number, since it uses as much as digits as its factorization.

2632521138449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90776591010.

The product of its digits is 2488320, while the sum is 50.

The spelling of 2632521138449 in words is "two trillion, six hundred thirty-two billion, five hundred twenty-one million, one hundred thirty-eight thousand, four hundred forty-nine".