490741631 has 2 divisors, whose sum is σ = 490741632. Its totient is φ = 490741630.

The previous prime is 490741591. The next prime is 490741637. The reversal of 490741631 is 136147094.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490741631 - 2¹⁸ = 490479487 is a prime.

It is a super-2 number, since 2×490741631² = 481654696793080322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 490741591 and 490741600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490741637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245370815 + 245370816.

It is an arithmetic number, because the mean of its divisors is an integer number (245370816).

Almost surely, 2^490741631 is an apocalyptic number.

490741631 is a deficient number, since it is larger than the sum of its proper divisors (1).

490741631 is an equidigital number, since it uses as much as digits as its factorization.

490741631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 490741631 is about 22152.6890241343. The cubic root of 490741631 is about 788.7710588333.

It can be divided in two parts, 49074 and 1631, that added together give a palindrome (50705).

The spelling of 490741631 in words is "four hundred ninety million, seven hundred forty-one thousand, six hundred thirty-one".