499737913 has 4 divisors (see below), whose sum is σ = 500572800. Its totient is φ = 498903028.

The previous prime is 499737893. The next prime is 499737919. The reversal of 499737913 is 319737994.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 499737913 - 2⁵ = 499737881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499737919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416545 + ... + 417742.

It is an arithmetic number, because the mean of its divisors is an integer number (125143200).

Almost surely, 2^499737913 is an apocalyptic number.

It is an amenable number.

499737913 is a deficient number, since it is larger than the sum of its proper divisors (834887).

499737913 is an equidigital number, since it uses as much as digits as its factorization.

499737913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834886.

The product of its digits is 1285956, while the sum is 52.

The square root of 499737913 is about 22354.8185633433. The cubic root of 499737913 is about 793.5618226866.

The spelling of 499737913 in words is "four hundred ninety-nine million, seven hundred thirty-seven thousand, nine hundred thirteen".