13619356804 has 81 divisors (see below), whose sum is σ = 25947750423. Its totient is φ = 6254293584.

The previous prime is 13619356799. The next prime is 13619356819. The reversal of 13619356804 is 40865391631.

The square root of 13619356804 is 116702.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×13619356804² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 230836527 + ... + 230836585.

Almost surely, 2^13619356804 is an apocalyptic number.

13619356804 is the 116702-nd square number.

It is an amenable number.

13619356804 is a deficient number, since it is larger than the sum of its proper divisors (12328393619).

13619356804 is an equidigital number, since it uses as much as digits as its factorization.

13619356804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 13619356804 in words is "thirteen billion, six hundred nineteen million, three hundred fifty-six thousand, eight hundred four".