2638884068 has 12 divisors (see below), whose sum is σ = 4630913280. Its totient is φ = 1315765992.

The previous prime is 2638884049. The next prime is 2638884089. The reversal of 2638884068 is 8604888362.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

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, 917396 + ... + 920267.

It is an arithmetic number, because the mean of its divisors is an integer number (385909440).

Almost surely, 2^2638884068 is an apocalyptic number.

It is an amenable number.

2638884068 is a deficient number, since it is larger than the sum of its proper divisors (1992029212).

2638884068 is a wasteful number, since it uses less digits than its factorization.

2638884068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838026 (or 1838024 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 53.

The square root of 2638884068 is about 51370.0697682999. The cubic root of 2638884068 is about 1381.8898821327.

The spelling of 2638884068 in words is "two billion, six hundred thirty-eight million, eight hundred eighty-four thousand, sixty-eight".