5215618674 has 80 divisors (see below), whose sum is σ = 14059425600. Its totient is φ = 1411740576.

The previous prime is 5215618643. The next prime is 5215618687. The reversal of 5215618674 is 4768165125.

5215618674 is a `hidden beast` number, since 5 + 2 + 1 + 561 + 86 + 7 + 4 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 99489 + ... + 142580.

It is an arithmetic number, because the mean of its divisors is an integer number (175742820).

Almost surely, 2^5215618674 is an apocalyptic number.

5215618674 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5215618674 is an abundant number, since it is smaller than the sum of its proper divisors (8843806926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5215618674 is a wasteful number, since it uses less digits than its factorization.

5215618674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242109 (or 242100 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 5215618674 is about 72219.2403310918. The cubic root of 5215618674 is about 1734.2110290214.

The spelling of 5215618674 in words is "five billion, two hundred fifteen million, six hundred eighteen thousand, six hundred seventy-four".