13264398857 has 8 divisors (see below), whose sum is σ = 13442016000. Its totient is φ = 13087024704.

The previous prime is 13264398811. The next prime is 13264398863. The reversal of 13264398857 is 75889346231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13264398857 - 2¹⁰ = 13264397833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13264358857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50513 + ... + 170529.

It is an arithmetic number, because the mean of its divisors is an integer number (1680252000).

Almost surely, 2^13264398857 is an apocalyptic number.

It is an amenable number.

13264398857 is a deficient number, since it is larger than the sum of its proper divisors (177617143).

13264398857 is a wasteful number, since it uses less digits than its factorization.

13264398857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121495.

The product of its digits is 8709120, while the sum is 56.

The spelling of 13264398857 in words is "thirteen billion, two hundred sixty-four million, three hundred ninety-eight thousand, eight hundred fifty-seven".