2638531714 has 48 divisors (see below), whose sum is σ = 4983762168. Its totient is φ = 1038417408.

The previous prime is 2638531703. The next prime is 2638531741. The reversal of 2638531714 is 4171358362.

It can be written as a sum of positive squares in 4 ways, for example, as 1666027489 + 972504225 = 40817^2 + 31185^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245722 + ... + 256234.

Almost surely, 2^2638531714 is an apocalyptic number.

2638531714 is a deficient number, since it is larger than the sum of its proper divisors (2345230454).

2638531714 is a wasteful number, since it uses less digits than its factorization.

2638531714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10739 (or 10732 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 2638531714 is about 51366.6400886801. The cubic root of 2638531714 is about 1381.8283743023.

The spelling of 2638531714 in words is "two billion, six hundred thirty-eight million, five hundred thirty-one thousand, seven hundred fourteen".