49638157705 has 16 divisors (see below), whose sum is σ = 60852072960. Its totient is φ = 38853529792.

The previous prime is 49638157697. The next prime is 49638157717. The reversal of 49638157705 is 50775183694.

49638157705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 49638157705 - 2³ = 49638157697 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765252 + ... + 827578.

It is an arithmetic number, because the mean of its divisors is an integer number (3803254560).

Almost surely, 2^49638157705 is an apocalyptic number.

It is an amenable number.

49638157705 is a deficient number, since it is larger than the sum of its proper divisors (11213915255).

49638157705 is a wasteful number, since it uses less digits than its factorization.

49638157705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65768.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 49638157705 in words is "forty-nine billion, six hundred thirty-eight million, one hundred fifty-seven thousand, seven hundred five".