650641592431 has 2 divisors, whose sum is σ = 650641592432. Its totient is φ = 650641592430.

The previous prime is 650641592287. The next prime is 650641592443. The reversal of 650641592431 is 134295146056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650641592431 - 2¹⁷ = 650641461359 is a prime.

It is a super-2 number, since 2×650641592431² (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 (650641592231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325320796215 + 325320796216.

It is an arithmetic number, because the mean of its divisors is an integer number (325320796216).

Almost surely, 2^650641592431 is an apocalyptic number.

650641592431 is a deficient number, since it is larger than the sum of its proper divisors (1).

650641592431 is an equidigital number, since it uses as much as digits as its factorization.

650641592431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 650641592431 in words is "six hundred fifty billion, six hundred forty-one million, five hundred ninety-two thousand, four hundred thirty-one".