50012349138 has 24 divisors (see below), whose sum is σ = 114063253200. Its totient is φ = 15793373304.

The previous prime is 50012349131. The next prime is 50012349143. The reversal of 50012349138 is 83194321005.

50012349138 is a `hidden beast` number, since 500 + 1 + 2 + 34 + 91 + 38 = 666.

It is not an unprimeable number, because it can be changed into a prime (50012349131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73117128 + ... + 73117811.

It is an arithmetic number, because the mean of its divisors is an integer number (4752635550).

Almost surely, 2^50012349138 is an apocalyptic number.

50012349138 is an abundant number, since it is smaller than the sum of its proper divisors (64050904062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50012349138 is a wasteful number, since it uses less digits than its factorization.

50012349138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146234966 (or 146234963 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 50012349138 in words is "fifty billion, twelve million, three hundred forty-nine thousand, one hundred thirty-eight".