650911324816631 has 2 divisors, whose sum is σ = 650911324816632. Its totient is φ = 650911324816630.

The previous prime is 650911324816537. The next prime is 650911324816667. The reversal of 650911324816631 is 136618423119056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 650911324816631 - 2⁴⁶ = 580542580638967 is a prime.

It is a super-2 number, since 2×650911324816631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650911324816031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325455662408315 + 325455662408316.

It is an arithmetic number, because the mean of its divisors is an integer number (325455662408316).

Almost surely, 2^{650911324816631} is an apocalyptic number.

650911324816631 is a deficient number, since it is larger than the sum of its proper divisors (1).

650911324816631 is an equidigital number, since it uses as much as digits as its factorization.

650911324816631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The spelling of 650911324816631 in words is "six hundred fifty trillion, nine hundred eleven billion, three hundred twenty-four million, eight hundred sixteen thousand, six hundred thirty-one".