490255415939 has 2 divisors, whose sum is σ = 490255415940. Its totient is φ = 490255415938.

The previous prime is 490255415933. The next prime is 490255416031. The reversal of 490255415939 is 939514552094.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490255415939 is a prime.

It is not a weakly prime, because it can be changed into another prime (490255415933) 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, 245127707969 + 245127707970.

It is an arithmetic number, because the mean of its divisors is an integer number (245127707970).

Almost surely, 2^490255415939 is an apocalyptic number.

490255415939 is a deficient number, since it is larger than the sum of its proper divisors (1).

490255415939 is an equidigital number, since it uses as much as digits as its factorization.

490255415939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748000, while the sum is 56.

The spelling of 490255415939 in words is "four hundred ninety billion, two hundred fifty-five million, four hundred fifteen thousand, nine hundred thirty-nine".