49012039679 has 4 divisors (see below), whose sum is σ = 49194240840. Its totient is φ = 48829838520.

The previous prime is 49012039673. The next prime is 49012039693. The reversal of 49012039679 is 97693021094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49012039679 - 2⁸ = 49012039423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49012039673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91100177 + ... + 91100714.

It is an arithmetic number, because the mean of its divisors is an integer number (12298560210).

Almost surely, 2^49012039679 is an apocalyptic number.

49012039679 is a deficient number, since it is larger than the sum of its proper divisors (182201161).

49012039679 is a wasteful number, since it uses less digits than its factorization.

49012039679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182201160.

The product of its (nonzero) digits is 734832, while the sum is 50.

The spelling of 49012039679 in words is "forty-nine billion, twelve million, thirty-nine thousand, six hundred seventy-nine".