8013474893 has 6 divisors (see below), whose sum is σ = 8029978794. Its totient is φ = 7996979136.

The previous prime is 8013474877. The next prime is 8013474947. The reversal of 8013474893 is 3984743108.

It can be written as a sum of positive squares in 3 ways, for example, as 301473769 + 7712001124 = 17363^2 + 87818^2 .

It is not a de Polignac number, because 8013474893 - 2⁴ = 8013474877 is a prime.

It is a super-2 number, since 2×8013474893² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8013474493) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2110805 + ... + 2114597.

It is an arithmetic number, because the mean of its divisors is an integer number (1338329799).

Almost surely, 2^8013474893 is an apocalyptic number.

It is an amenable number.

8013474893 is a deficient number, since it is larger than the sum of its proper divisors (16503901).

8013474893 is an frugal number, since it uses more digits than its factorization.

8013474893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143 (or 4350 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 8013474893 is about 89518.0143490683. The cubic root of 8013474893 is about 2001.1222778784.

The spelling of 8013474893 in words is "eight billion, thirteen million, four hundred seventy-four thousand, eight hundred ninety-three".