490129513 has 2 divisors, whose sum is σ = 490129514. Its totient is φ = 490129512.

The previous prime is 490129511. The next prime is 490129553. The reversal of 490129513 is 315921094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 486334809 + 3794704 = 22053^2 + 1948^2 .

It is a cyclic number.

It is not a de Polignac number, because 490129513 - 2¹ = 490129511 is a prime.

Together with 490129511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (490129511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245064756 + 245064757.

It is an arithmetic number, because the mean of its divisors is an integer number (245064757).

Almost surely, 2^490129513 is an apocalyptic number.

It is an amenable number.

490129513 is a deficient number, since it is larger than the sum of its proper divisors (1).

490129513 is an equidigital number, since it uses as much as digits as its factorization.

490129513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 490129513 is about 22138.8688283751. The cubic root of 490129513 is about 788.4429691164.

The spelling of 490129513 in words is "four hundred ninety million, one hundred twenty-nine thousand, five hundred thirteen".