2639909097074 has 8 divisors (see below), whose sum is σ = 3963772694700. Its totient is φ = 1318651532176.

The previous prime is 2639909097047. The next prime is 2639909097097. The reversal of 2639909097074 is 4707909099362.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2343063919849 + 296845177225 = 1530707^2 + 544835^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2639909097074² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2639909097074.

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, 651505649 + ... + 651509700.

Almost surely, 2^{2639909097074} is an apocalyptic number.

2639909097074 is a deficient number, since it is larger than the sum of its proper divisors (1323863597626).

2639909097074 is a wasteful number, since it uses less digits than its factorization.

2639909097074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303016364.

The product of its (nonzero) digits is 46294416, while the sum is 65.

The spelling of 2639909097074 in words is "two trillion, six hundred thirty-nine billion, nine hundred nine million, ninety-seven thousand, seventy-four".