49850131988 has 12 divisors (see below), whose sum is σ = 88053037632. Its totient is φ = 24692121240.

The previous prime is 49850131987. The next prime is 49850131997. The reversal of 49850131988 is 88913105894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49850131987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58235708 + ... + 58236563.

It is an arithmetic number, because the mean of its divisors is an integer number (7337753136).

Almost surely, 2^49850131988 is an apocalyptic number.

It is an amenable number.

49850131988 is a deficient number, since it is larger than the sum of its proper divisors (38202905644).

49850131988 is a wasteful number, since it uses less digits than its factorization.

49850131988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116472382 (or 116472380 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 49850131988 in words is "forty-nine billion, eight hundred fifty million, one hundred thirty-one thousand, nine hundred eighty-eight".