490733591 has 2 divisors, whose sum is σ = 490733592. Its totient is φ = 490733590.

The previous prime is 490733567. The next prime is 490733651. The reversal of 490733591 is 195337094.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 490733591 - 2²⁶ = 423624727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490733531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245366795 + 245366796.

It is an arithmetic number, because the mean of its divisors is an integer number (245366796).

Almost surely, 2^490733591 is an apocalyptic number.

490733591 is a deficient number, since it is larger than the sum of its proper divisors (1).

490733591 is an equidigital number, since it uses as much as digits as its factorization.

490733591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 490733591 is about 22152.5075555793. The cubic root of 490733591 is about 788.7667512347.

The spelling of 490733591 in words is "four hundred ninety million, seven hundred thirty-three thousand, five hundred ninety-one".