13056623458 has 64 divisors (see below), whose sum is σ = 21770622720. Its totient is φ = 5847109632.

The previous prime is 13056623443. The next prime is 13056623473. The reversal of 13056623458 is 85432665031.

It is an interprime number because it is at equal distance from previous prime (13056623443) and next prime (13056623473).

It is a super-2 number, since 2×13056623458² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12939658 + ... + 12940666.

It is an arithmetic number, because the mean of its divisors is an integer number (340165980).

Almost surely, 2^13056623458 is an apocalyptic number.

13056623458 is a deficient number, since it is larger than the sum of its proper divisors (8713999262).

13056623458 is a wasteful number, since it uses less digits than its factorization.

13056623458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 13056623458 in words is "thirteen billion, fifty-six million, six hundred twenty-three thousand, four hundred fifty-eight".