13604329057 has 16 divisors (see below), whose sum is σ = 15028896960. Its totient is φ = 12211243200.

The previous prime is 13604329043. The next prime is 13604329097. The reversal of 13604329057 is 75092340631.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13604329057 is a prime.

It is a super-2 number, since 2×13604329057² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13604329097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2024419 + ... + 2031127.

It is an arithmetic number, because the mean of its divisors is an integer number (939306060).

Almost surely, 2^13604329057 is an apocalyptic number.

It is an amenable number.

13604329057 is a deficient number, since it is larger than the sum of its proper divisors (1424567903).

13604329057 is a wasteful number, since it uses less digits than its factorization.

13604329057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9024.

The product of its (nonzero) digits is 136080, while the sum is 40.

Adding to 13604329057 its reverse (75092340631), we get a palindrome (88696669688).

The spelling of 13604329057 in words is "thirteen billion, six hundred four million, three hundred twenty-nine thousand, fifty-seven".