18479536520607 has 8 divisors (see below), whose sum is σ = 27377091141680. Its totient is φ = 12319691013720.

The previous prime is 18479536520551. The next prime is 18479536520623. The reversal of 18479536520607 is 70602563597481.

18479536520607 is a `hidden beast` number, since 1 + 8 + 4 + 79 + 5 + 36 + 520 + 6 + 0 + 7 = 666.

It is not a de Polignac number, because 18479536520607 - 2³⁴ = 18462356651423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18479536520657) 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, 342213639244 + ... + 342213639297.

It is an arithmetic number, because the mean of its divisors is an integer number (3422136392710).

It is a 1-persistent number, because it is pandigital, but 2⋅18479536520607 = 36959073041214 is not.

Almost surely, 2^{18479536520607} is an apocalyptic number.

18479536520607 is a deficient number, since it is larger than the sum of its proper divisors (8897554621073).

18479536520607 is an equidigital number, since it uses as much as digits as its factorization.

18479536520607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684427278550 (or 684427278544 counting only the distinct ones).

The product of its (nonzero) digits is 76204800, while the sum is 63.

The spelling of 18479536520607 in words is "eighteen trillion, four hundred seventy-nine billion, five hundred thirty-six million, five hundred twenty thousand, six hundred seven".