490339122631 has 2 divisors, whose sum is σ = 490339122632. Its totient is φ = 490339122630.

The previous prime is 490339122607. The next prime is 490339122641. The reversal of 490339122631 is 136221933094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490339122631 - 2⁵ = 490339122599 is a prime.

It is a super-2 number, since 2×490339122631² (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 (490339122641) 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 as a sum of consecutive naturals, namely, 245169561315 + 245169561316.

It is an arithmetic number, because the mean of its divisors is an integer number (245169561316).

Almost surely, 2^490339122631 is an apocalyptic number.

490339122631 is a deficient number, since it is larger than the sum of its proper divisors (1).

490339122631 is an equidigital number, since it uses as much as digits as its factorization.

490339122631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 490339122631 in words is "four hundred ninety billion, three hundred thirty-nine million, one hundred twenty-two thousand, six hundred thirty-one".