650830788631 has 2 divisors, whose sum is σ = 650830788632. Its totient is φ = 650830788630.

The previous prime is 650830788557. The next prime is 650830788637. The reversal of 650830788631 is 136887038056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650830788631 - 2²³ = 650822400023 is a prime.

It is a super-2 number, since 2×650830788631² (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 (650830788637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325415394315 + 325415394316.

It is an arithmetic number, because the mean of its divisors is an integer number (325415394316).

Almost surely, 2^650830788631 is an apocalyptic number.

650830788631 is a deficient number, since it is larger than the sum of its proper divisors (1).

650830788631 is an equidigital number, since it uses as much as digits as its factorization.

650830788631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5806080, while the sum is 55.

The spelling of 650830788631 in words is "six hundred fifty billion, eight hundred thirty million, seven hundred eighty-eight thousand, six hundred thirty-one".