506640562263 has 32 divisors (see below), whose sum is σ = 818913300480. Its totient is φ = 307017285120.

The previous prime is 506640562217. The next prime is 506640562271. The reversal of 506640562263 is 362265046605.

506640562263 is a `hidden beast` number, since 5 + 0 + 6 + 64 + 0 + 562 + 26 + 3 = 666.

It is not a de Polignac number, because 506640562263 - 2⁹ = 506640561751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506640562273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2428170 + ... + 2628552.

It is an arithmetic number, because the mean of its divisors is an integer number (25591040640).

Almost surely, 2^506640562263 is an apocalyptic number.

506640562263 is a deficient number, since it is larger than the sum of its proper divisors (312272738217).

506640562263 is a wasteful number, since it uses less digits than its factorization.

506640562263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208916 (or 208910 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 506640562263 in words is "five hundred six billion, six hundred forty million, five hundred sixty-two thousand, two hundred sixty-three".