2653966938 has 32 divisors (see below), whose sum is σ = 6068776320. Its totient is φ = 757955520.

The previous prime is 2653966921. The next prime is 2653966957. The reversal of 2653966938 is 8396693562.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98028 + ... + 122136.

It is an arithmetic number, because the mean of its divisors is an integer number (189649260).

Almost surely, 2^2653966938 is an apocalyptic number.

2653966938 is an abundant number, since it is smaller than the sum of its proper divisors (3414809382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2653966938 is a wasteful number, since it uses less digits than its factorization.

2653966938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26742.

The product of its digits is 12597120, while the sum is 57.

The square root of 2653966938 is about 51516.6666041195. Note that the first 4 decimals coincide. The cubic root of 2653966938 is about 1384.5176698046.

The spelling of 2653966938 in words is "two billion, six hundred fifty-three million, nine hundred sixty-six thousand, nine hundred thirty-eight".