490008539 has 2 divisors, whose sum is σ = 490008540. Its totient is φ = 490008538.

The previous prime is 490008523. The next prime is 490008569. The reversal of 490008539 is 935800094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490008539 - 2⁴ = 490008523 is a prime.

It is not a weakly prime, because it can be changed into another prime (490008569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245004269 + 245004270.

It is an arithmetic number, because the mean of its divisors is an integer number (245004270).

Almost surely, 2^490008539 is an apocalyptic number.

490008539 is a deficient number, since it is larger than the sum of its proper divisors (1).

490008539 is an equidigital number, since it uses as much as digits as its factorization.

490008539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 490008539 is about 22136.1364966879. The cubic root of 490008539 is about 788.3780958223.

The spelling of 490008539 in words is "four hundred ninety million, eight thousand, five hundred thirty-nine".