492497665 has 16 divisors (see below), whose sum is σ = 645518016. Its totient is φ = 357739200.

The previous prime is 492497659. The next prime is 492497683. The reversal of 492497665 is 566794294.

It is not a de Polignac number, because 492497665 - 2³ = 492497657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43495 + ... + 53635.

It is an arithmetic number, because the mean of its divisors is an integer number (40344876).

Almost surely, 2^492497665 is an apocalyptic number.

It is an amenable number.

492497665 is a deficient number, since it is larger than the sum of its proper divisors (153020351).

492497665 is a wasteful number, since it uses less digits than its factorization.

492497665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11040.

The product of its digits is 3265920, while the sum is 52.

The square root of 492497665 is about 22192.2884128699. The cubic root of 492497665 is about 789.7107657739.

The spelling of 492497665 in words is "four hundred ninety-two million, four hundred ninety-seven thousand, six hundred sixty-five".