506432067891 has 16 divisors (see below), whose sum is σ = 677987009280. Its totient is φ = 336249468000.

The previous prime is 506432067887. The next prime is 506432067899. The reversal of 506432067891 is 198760234605.

It is not a de Polignac number, because 506432067891 - 2² = 506432067887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506432067899) 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, 15060525 + ... + 15094113.

It is an arithmetic number, because the mean of its divisors is an integer number (42374188080).

It is a 1-persistent number, because it is pandigital, but 2⋅506432067891 = 1012864135782 is not.

Almost surely, 2^506432067891 is an apocalyptic number.

506432067891 is a deficient number, since it is larger than the sum of its proper divisors (171554941389).

506432067891 is a wasteful number, since it uses less digits than its factorization.

506432067891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53866.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 506432067891 in words is "five hundred six billion, four hundred thirty-two million, sixty-seven thousand, eight hundred ninety-one".