490997529 has 24 divisors (see below), whose sum is σ = 776590464. Its totient is φ = 296460000.

The previous prime is 490997503. The next prime is 490997531. The reversal of 490997529 is 925799094.

It is not a de Polignac number, because 490997529 - 2⁷ = 490997401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (490997569) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17679 + ... + 35979.

It is an arithmetic number, because the mean of its divisors is an integer number (32357936).

Almost surely, 2^490997529 is an apocalyptic number.

It is an amenable number.

490997529 is a deficient number, since it is larger than the sum of its proper divisors (285592935).

490997529 is a wasteful number, since it uses less digits than its factorization.

490997529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18589 (or 18586 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The square root of 490997529 is about 22158.4640487557. The cubic root of 490997529 is about 788.9081369818.

The spelling of 490997529 in words is "four hundred ninety million, nine hundred ninety-seven thousand, five hundred twenty-nine".