2681596264 has 8 divisors (see below), whose sum is σ = 5027993010. Its totient is φ = 1340798128.

The previous prime is 2681596259. The next prime is 2681596277. The reversal of 2681596264 is 4626951862.

It can be written as a sum of positive squares in only one way, i.e., 1760473764 + 921122500 = 41958^2 + 30350^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 167599759 + ... + 167599774.

Almost surely, 2^2681596264 is an apocalyptic number.

It is an amenable number.

2681596264 is a deficient number, since it is larger than the sum of its proper divisors (2346396746).

2681596264 is a wasteful number, since it uses less digits than its factorization.

2681596264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335199539 (or 335199535 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 49.

The square root of 2681596264 is about 51784.1313917690. The cubic root of 2681596264 is about 1389.3056352848.

The spelling of 2681596264 in words is "two billion, six hundred eighty-one million, five hundred ninety-six thousand, two hundred sixty-four".