49638157706 has 8 divisors (see below), whose sum is σ = 74782378020. Its totient is φ = 24710698368.

The previous prime is 49638157697. The next prime is 49638157717. The reversal of 49638157706 is 60775183694.

49638157706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 48962625625 + 675532081 = 221275^2 + 25991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 54189671 + ... + 54190586.

Almost surely, 2^49638157706 is an apocalyptic number.

49638157706 is a deficient number, since it is larger than the sum of its proper divisors (25144220314).

49638157706 is a wasteful number, since it uses less digits than its factorization.

49638157706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108380488.

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 49638157706 in words is "forty-nine billion, six hundred thirty-eight million, one hundred fifty-seven thousand, seven hundred six".