499904765 has 4 divisors (see below), whose sum is σ = 599885724. Its totient is φ = 399923808.

The previous prime is 499904753. The next prime is 499904807. The reversal of 499904765 is 567409994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104571076 + 395333689 = 10226^2 + 19883^2 .

It is a cyclic number.

It is not a de Polignac number, because 499904765 - 2²⁶ = 432795901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49990472 + ... + 49990481.

It is an arithmetic number, because the mean of its divisors is an integer number (149971431).

Almost surely, 2^499904765 is an apocalyptic number.

It is an amenable number.

499904765 is a deficient number, since it is larger than the sum of its proper divisors (99980959).

499904765 is an equidigital number, since it uses as much as digits as its factorization.

499904765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99980958.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 499904765 is about 22358.5501542475. The cubic root of 499904765 is about 793.6501307380.

The spelling of 499904765 in words is "four hundred ninety-nine million, nine hundred four thousand, seven hundred sixty-five".