2670391312 has 20 divisors (see below), whose sum is σ = 5174719020. Its totient is φ = 1334979968.

The previous prime is 2670391303. The next prime is 2670391349. The reversal of 2670391312 is 2131930762.

It can be written as a sum of positive squares in 2 ways, for example, as 1500477696 + 1169913616 = 38736^2 + 34204^2 .

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, 145398 + ... + 162730.

It is an arithmetic number, because the mean of its divisors is an integer number (258735951).

Almost surely, 2^2670391312 is an apocalyptic number.

It is an amenable number.

2670391312 is a deficient number, since it is larger than the sum of its proper divisors (2504327708).

2670391312 is a wasteful number, since it uses less digits than its factorization.

2670391312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26970 (or 26964 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 2670391312 is about 51675.8290886561. The cubic root of 2670391312 is about 1387.3678795496.

The spelling of 2670391312 in words is "two billion, six hundred seventy million, three hundred ninety-one thousand, three hundred twelve".