520671432599 has 16 divisors (see below), whose sum is σ = 544793562720. Its totient is φ = 496975785600.

The previous prime is 520671432557. The next prime is 520671432637. The reversal of 520671432599 is 995234176025.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520671432599 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 520671432599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520671432509) 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, 1776524 + ... + 2048750.

It is an arithmetic number, because the mean of its divisors is an integer number (34049597670).

Almost surely, 2^520671432599 is an apocalyptic number.

520671432599 is a deficient number, since it is larger than the sum of its proper divisors (24122130121).

520671432599 is a wasteful number, since it uses less digits than its factorization.

520671432599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273010.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 520671432599 in words is "five hundred twenty billion, six hundred seventy-one million, four hundred thirty-two thousand, five hundred ninety-nine".