2638982958 has 16 divisors (see below), whose sum is σ = 5406697296. Its totient is φ = 858205760.

The previous prime is 2638982933. The next prime is 2638982959. The reversal of 2638982958 is 8592898362.

It is a super-2 number, since 2×2638982958² = 13928462105228859528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638982959) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5363541 + ... + 5364032.

It is an arithmetic number, because the mean of its divisors is an integer number (337918581).

Almost surely, 2^2638982958 is an apocalyptic number.

2638982958 is an abundant number, since it is smaller than the sum of its proper divisors (2767714338).

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

2638982958 is a wasteful number, since it uses less digits than its factorization.

2638982958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10727619.

The product of its digits is 14929920, while the sum is 60.

The square root of 2638982958 is about 51371.0322847420. The cubic root of 2638982958 is about 1381.9071436442.

The spelling of 2638982958 in words is "two billion, six hundred thirty-eight million, nine hundred eighty-two thousand, nine hundred fifty-eight".