2139847048 has 32 divisors (see below), whose sum is σ = 4146024960. Its totient is φ = 1034596800.

The previous prime is 2139847027. The next prime is 2139847147. The reversal of 2139847048 is 8407489312.

It is a junction number, because it is equal to n+sod(n) for n = 2139846989 and 2139847007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26073 + ... + 70423.

It is an arithmetic number, because the mean of its divisors is an integer number (129563280).

Almost surely, 2^2139847048 is an apocalyptic number.

It is an amenable number.

2139847048 is a deficient number, since it is larger than the sum of its proper divisors (2006177912).

2139847048 is a wasteful number, since it uses less digits than its factorization.

2139847048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44557 (or 44553 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 2139847048 is about 46258.4808224395. The cubic root of 2139847048 is about 1288.6280404194.

The spelling of 2139847048 in words is "two billion, one hundred thirty-nine million, eight hundred forty-seven thousand, forty-eight".