2690901256 has 16 divisors (see below), whose sum is σ = 5056391340. Its totient is φ = 1342530240.

The previous prime is 2690901247. The next prime is 2690901289. The reversal of 2690901256 is 6521090962.

It can be written as a sum of positive squares in 2 ways, for example, as 2594272356 + 96628900 = 50934^2 + 9830^2 .

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, 361131 + ... + 368506.

Almost surely, 2^2690901256 is an apocalyptic number.

It is an amenable number.

2690901256 is a deficient number, since it is larger than the sum of its proper divisors (2365490084).

2690901256 is a wasteful number, since it uses less digits than its factorization.

2690901256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730104 (or 730100 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 2690901256 is about 51873.8976364799. The cubic root of 2690901256 is about 1390.9107183227.

The spelling of 2690901256 in words is "two billion, six hundred ninety million, nine hundred one thousand, two hundred fifty-six".