506157504431 has 2 divisors, whose sum is σ = 506157504432. Its totient is φ = 506157504430.

The previous prime is 506157504389. The next prime is 506157504443. The reversal of 506157504431 is 134405751605.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 506157504431 - 2¹⁰ = 506157503407 is a prime.

It is a super-2 number, since 2×506157504431² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506157504031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253078752215 + 253078752216.

It is an arithmetic number, because the mean of its divisors is an integer number (253078752216).

Almost surely, 2^506157504431 is an apocalyptic number.

506157504431 is a deficient number, since it is larger than the sum of its proper divisors (1).

506157504431 is an equidigital number, since it uses as much as digits as its factorization.

506157504431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 506157504431 in words is "five hundred six billion, one hundred fifty-seven million, five hundred four thousand, four hundred thirty-one".