49330139507691 has 16 divisors (see below), whose sum is σ = 75192815937024. Its totient is φ = 28179996318144.

The previous prime is 49330139507687. The next prime is 49330139507711. The reversal of 49330139507691 is 19670593103394.

It is not a de Polignac number, because 49330139507691 - 2² = 49330139507687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49330139507641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360547855 + ... + 360684648.

It is an arithmetic number, because the mean of its divisors is an integer number (4699550996064).

Almost surely, 2^{49330139507691} is an apocalyptic number.

49330139507691 is a deficient number, since it is larger than the sum of its proper divisors (25862676429333).

49330139507691 is a wasteful number, since it uses less digits than its factorization.

49330139507691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721235770.

The product of its (nonzero) digits is 16533720, while the sum is 60.

The spelling of 49330139507691 in words is "forty-nine trillion, three hundred thirty billion, one hundred thirty-nine million, five hundred seven thousand, six hundred ninety-one".