2812513808 has 20 divisors (see below), whose sum is σ = 5868418668. Its totient is φ = 1298083200.

The previous prime is 2812513783. The next prime is 2812513861. The reversal of 2812513808 is 8083152182.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1293697024 + 1518816784 = 35968^2 + 38972^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6760643 + ... + 6761058.

Almost surely, 2^2812513808 is an apocalyptic number.

It is an amenable number.

2812513808 is an abundant number, since it is smaller than the sum of its proper divisors (3055904860).

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

2812513808 is a wasteful number, since it uses less digits than its factorization.

2812513808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13521722 (or 13521716 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 2812513808 is about 53033.1387719037. The cubic root of 2812513808 is about 1411.5563533312.

The spelling of 2812513808 in words is "two billion, eight hundred twelve million, five hundred thirteen thousand, eight hundred eight".