2649667996 has 12 divisors (see below), whose sum is σ = 4681938352. Its totient is φ = 1311971328.

The previous prime is 2649667987. The next prime is 2649668017. The reversal of 2649667996 is 6997669462.

It is a congruent number.

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, 3215205 + ... + 3216028.

Almost surely, 2^2649667996 is an apocalyptic number.

It is an amenable number.

2649667996 is a deficient number, since it is larger than the sum of its proper divisors (2032270356).

2649667996 is a wasteful number, since it uses less digits than its factorization.

2649667996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6431340 (or 6431338 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 64.

The square root of 2649667996 is about 51474.9258960127. The cubic root of 2649667996 is about 1383.7697105055.

The spelling of 2649667996 in words is "two billion, six hundred forty-nine million, six hundred sixty-seven thousand, nine hundred ninety-six".