813416499 has 24 divisors (see below), whose sum is σ = 1392518400. Its totient is φ = 464808456.

The previous prime is 813416491. The next prime is 813416501. The reversal of 813416499 is 994614318.

It is not a de Polignac number, because 813416499 - 2³ = 813416491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (813416491) 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, 237399 + ... + 240800.

It is an arithmetic number, because the mean of its divisors is an integer number (58021600).

Almost surely, 2^813416499 is an apocalyptic number.

813416499 is a deficient number, since it is larger than the sum of its proper divisors (579101901).

813416499 is an equidigital number, since it uses as much as digits as its factorization.

813416499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478221 (or 478209 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 813416499 is about 28520.4575524307. The cubic root of 813416499 is about 933.4785130313.

The spelling of 813416499 in words is "eight hundred thirteen million, four hundred sixteen thousand, four hundred ninety-nine".