49407839031 has 4 divisors (see below), whose sum is σ = 65877118712. Its totient is φ = 32938559352.

The previous prime is 49407839003. The next prime is 49407839083. The reversal of 49407839031 is 13093870494.

It is a happy number.

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

It is not a de Polignac number, because 49407839031 - 2¹⁸ = 49407576887 is a prime.

It is a super-2 number, since 2×49407839031² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49407835031) 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, 8234639836 + ... + 8234639841.

It is an arithmetic number, because the mean of its divisors is an integer number (16469279678).

Almost surely, 2^49407839031 is an apocalyptic number.

49407839031 is a deficient number, since it is larger than the sum of its proper divisors (16469279681).

49407839031 is a wasteful number, since it uses less digits than its factorization.

49407839031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16469279680.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 49407839031 in words is "forty-nine billion, four hundred seven million, eight hundred thirty-nine thousand, thirty-one".