4000813299 has 54 divisors (see below), whose sum is σ = 7086523860. Its totient is φ = 2162719440.

The previous prime is 4000813273. The next prime is 4000813307. The reversal of 4000813299 is 9923180004.

It is not a de Polignac number, because 4000813299 - 2⁷ = 4000813171 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4000813249) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 5789544 + ... + 5790234.

Almost surely, 2^4000813299 is an apocalyptic number.

4000813299 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

4000813299 is a deficient number, since it is larger than the sum of its proper divisors (3085710561).

4000813299 is an equidigital number, since it uses as much as digits as its factorization.

4000813299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 720 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 4000813299 is about 63251.9825697187. The cubic root of 4000813299 is about 1587.5086306514.

The spelling of 4000813299 in words is "four billion, eight hundred thirteen thousand, two hundred ninety-nine".