505654675231 has 4 divisors (see below), whose sum is σ = 505656424000. Its totient is φ = 505652926464.

The previous prime is 505654675109. The next prime is 505654675291. The reversal of 505654675231 is 132576456505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505654675231 - 2²⁷ = 505520457503 is a prime.

It is a super-2 number, since 2×505654675231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505654675291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326031 + ... + 1057168.

It is an arithmetic number, because the mean of its divisors is an integer number (126414106000).

Almost surely, 2^505654675231 is an apocalyptic number.

505654675231 is a deficient number, since it is larger than the sum of its proper divisors (1748769).

505654675231 is a wasteful number, since it uses less digits than its factorization.

505654675231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748768.

The product of its (nonzero) digits is 3780000, while the sum is 49.

The spelling of 505654675231 in words is "five hundred five billion, six hundred fifty-four million, six hundred seventy-five thousand, two hundred thirty-one".