49949503191 has 48 divisors (see below), whose sum is σ = 85105862400. Its totient is φ = 27639874944.

The previous prime is 49949503183. The next prime is 49949503229. The reversal of 49949503191 is 19130594994.

It is a happy number.

49949503191 is a `hidden beast` number, since 4 + 9 + 9 + 49 + 503 + 1 + 91 = 666.

It is not a de Polignac number, because 49949503191 - 2³ = 49949503183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49949503151) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 148755 + ... + 349323.

It is an arithmetic number, because the mean of its divisors is an integer number (1773038800).

Almost surely, 2^49949503191 is an apocalyptic number.

49949503191 is a deficient number, since it is larger than the sum of its proper divisors (35156359209).

49949503191 is a wasteful number, since it uses less digits than its factorization.

49949503191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200708 (or 200705 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 49949503191 in words is "forty-nine billion, nine hundred forty-nine million, five hundred three thousand, one hundred ninety-one".