10304344521 has 12 divisors (see below), whose sum is σ = 15759585972. Its totient is φ = 6465470976.

The previous prime is 10304344493. The next prime is 10304344559. The reversal of 10304344521 is 12544340301.

It is a happy number.

10304344521 is a `hidden beast` number, since 10 + 304 + 344 + 5 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6314527296 + 3989817225 = 79464^2 + 63165^2 .

It is not a de Polignac number, because 10304344521 - 2¹⁷ = 10304213449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10304344591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33674176 + ... + 33674481.

It is an arithmetic number, because the mean of its divisors is an integer number (1313298831).

Almost surely, 2^10304344521 is an apocalyptic number.

It is an amenable number.

10304344521 is a deficient number, since it is larger than the sum of its proper divisors (5455241451).

10304344521 is a wasteful number, since it uses less digits than its factorization.

10304344521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67348680 (or 67348677 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 10304344521 its reverse (12544340301), we get a palindrome (22848684822).

The spelling of 10304344521 in words is "ten billion, three hundred four million, three hundred forty-four thousand, five hundred twenty-one".