2639138048 has 36 divisors (see below), whose sum is σ = 5340168708. Its totient is φ = 1301483520.

The previous prime is 2639138017. The next prime is 2639138083. The reversal of 2639138048 is 8408319362.

It can be written as a sum of positive squares in 2 ways, for example, as 657819904 + 1981318144 = 25648^2 + 44512^2 .

It is a congruent number.

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, 51923 + ... + 89298.

Almost surely, 2^2639138048 is an apocalyptic number.

It is an amenable number.

2639138048 is an abundant number, since it is smaller than the sum of its proper divisors (2701030660).

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

2639138048 is an equidigital number, since it uses as much as digits as its factorization.

2639138048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141310 (or 141296 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 2639138048 is about 51372.5417708721. The cubic root of 2639138048 is about 1381.9342141463.

The spelling of 2639138048 in words is "two billion, six hundred thirty-nine million, one hundred thirty-eight thousand, forty-eight".