650431260255 has 64 divisors (see below), whose sum is σ = 1193695027200. Its totient is φ = 296257927680.

The previous prime is 650431260251. The next prime is 650431260257. The reversal of 650431260255 is 552062134056.

It is not a de Polignac number, because 650431260255 - 2² = 650431260251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650431260251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40469361 + ... + 40485429.

It is an arithmetic number, because the mean of its divisors is an integer number (18651484800).

Almost surely, 2^650431260255 is an apocalyptic number.

650431260255 is a deficient number, since it is larger than the sum of its proper divisors (543263766945).

650431260255 is a wasteful number, since it uses less digits than its factorization.

650431260255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17464.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 650431260255 in words is "six hundred fifty billion, four hundred thirty-one million, two hundred sixty thousand, two hundred fifty-five".