8131074819 has 16 divisors (see below), whose sum is σ = 12391841280. Its totient is φ = 4645716480.

The previous prime is 8131074773. The next prime is 8131074841. The reversal of 8131074819 is 9184701318.

It is not a de Polignac number, because 8131074819 - 2⁷ = 8131074691 is a prime.

It is a super-2 number, since 2×8131074819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8131074869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174042 + ... + 215760.

It is an arithmetic number, because the mean of its divisors is an integer number (774490080).

Almost surely, 2^8131074819 is an apocalyptic number.

8131074819 is a deficient number, since it is larger than the sum of its proper divisors (4260766461).

8131074819 is a wasteful number, since it uses less digits than its factorization.

8131074819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010.

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 8131074819 is about 90172.4726233012. The cubic root of 8131074819 is about 2010.8637838368.

The spelling of 8131074819 in words is "eight billion, one hundred thirty-one million, seventy-four thousand, eight hundred nineteen".