506233656624431 has 4 divisors (see below), whose sum is σ = 506419840392000. Its totient is φ = 506047472856864.

The previous prime is 506233656624389. The next prime is 506233656624439. The reversal of 506233656624431 is 134426656332605.

It is a happy number.

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 506233656624431 - 2¹⁰ = 506233656623407 is a prime.

It is a super-2 number, since 2×506233656624431² (a number of 30 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 (506233656624439) 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, 93091879706 + ... + 93091885143.

It is an arithmetic number, because the mean of its divisors is an integer number (126604960098000).

Almost surely, 2^{506233656624431} is an apocalyptic number.

506233656624431 is a deficient number, since it is larger than the sum of its proper divisors (186183767569).

506233656624431 is a wasteful number, since it uses less digits than its factorization.

506233656624431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186183767568.

The product of its (nonzero) digits is 55987200, while the sum is 56.

The spelling of 506233656624431 in words is "five hundred six trillion, two hundred thirty-three billion, six hundred fifty-six million, six hundred twenty-four thousand, four hundred thirty-one".