506415735631 has 4 divisors (see below), whose sum is σ = 545370792232. Its totient is φ = 467460679032.

The previous prime is 506415735629. The next prime is 506415735641. The reversal of 506415735631 is 136537514605.

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 506415735631 - 2¹ = 506415735629 is a prime.

It is a super-2 number, since 2×506415735631² (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 (506415735641) 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, 19477528281 + ... + 19477528306.

It is an arithmetic number, because the mean of its divisors is an integer number (136342698058).

Almost surely, 2^506415735631 is an apocalyptic number.

506415735631 is a deficient number, since it is larger than the sum of its proper divisors (38955056601).

506415735631 is a wasteful number, since it uses less digits than its factorization.

506415735631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38955056600.

The product of its (nonzero) digits is 1134000, while the sum is 46.

The spelling of 506415735631 in words is "five hundred six billion, four hundred fifteen million, seven hundred thirty-five thousand, six hundred thirty-one".