490616635231 has 2 divisors, whose sum is σ = 490616635232. Its totient is φ = 490616635230.

The previous prime is 490616635189. The next prime is 490616635279. The reversal of 490616635231 is 132536616094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490616635231 - 2⁹ = 490616634719 is a prime.

It is a super-2 number, since 2×490616635231² (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 (490616638231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245308317615 + 245308317616.

It is an arithmetic number, because the mean of its divisors is an integer number (245308317616).

Almost surely, 2^490616635231 is an apocalyptic number.

490616635231 is a deficient number, since it is larger than the sum of its proper divisors (1).

490616635231 is an equidigital number, since it uses as much as digits as its factorization.

490616635231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The spelling of 490616635231 in words is "four hundred ninety billion, six hundred sixteen million, six hundred thirty-five thousand, two hundred thirty-one".