2639996954 has 32 divisors (see below), whose sum is σ = 4657910400. Its totient is φ = 1098683712.

The previous prime is 2639996951. The next prime is 2639996977. The reversal of 2639996954 is 4596999362.

It is not an unprimeable number, because it can be changed into a prime (2639996951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91472 + ... + 116820.

It is an arithmetic number, because the mean of its divisors is an integer number (145559700).

Almost surely, 2^2639996954 is an apocalyptic number.

2639996954 is a deficient number, since it is larger than the sum of its proper divisors (2017913446).

2639996954 is a wasteful number, since it uses less digits than its factorization.

2639996954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25574.

The product of its digits is 28343520, while the sum is 62.

The square root of 2639996954 is about 51380.9006733047. The cubic root of 2639996954 is about 1382.0841144579.

The spelling of 2639996954 in words is "two billion, six hundred thirty-nine million, nine hundred ninety-six thousand, nine hundred fifty-four".