49507118091 has 6 divisors (see below), whose sum is σ = 71510281700. Its totient is φ = 33004745388.

The previous prime is 49507118081. The next prime is 49507118119. The reversal of 49507118091 is 19081170594.

It is a happy number.

49507118091 is a `hidden beast` number, since 49 + 507 + 1 + 18 + 0 + 91 = 666.

49507118091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49507118091 - 2⁷ = 49507117963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49507118041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2750395441 + ... + 2750395458.

Almost surely, 2^49507118091 is an apocalyptic number.

49507118091 is a deficient number, since it is larger than the sum of its proper divisors (22003163609).

49507118091 is a wasteful number, since it uses less digits than its factorization.

49507118091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5500790905 (or 5500790902 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 45.

The spelling of 49507118091 in words is "forty-nine billion, five hundred seven million, one hundred eighteen thousand, ninety-one".