49675431513 has 4 divisors (see below), whose sum is σ = 66233908688. Its totient is φ = 33116954340.

The previous prime is 49675431511. The next prime is 49675431521. The reversal of 49675431513 is 31513457694.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 49675431513 - 2¹ = 49675431511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49675431511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8279238583 + ... + 8279238588.

It is an arithmetic number, because the mean of its divisors is an integer number (16558477172).

Almost surely, 2^49675431513 is an apocalyptic number.

It is an amenable number.

49675431513 is a deficient number, since it is larger than the sum of its proper divisors (16558477175).

49675431513 is a wasteful number, since it uses less digits than its factorization.

49675431513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16558477174.

The product of its digits is 1360800, while the sum is 48.

The spelling of 49675431513 in words is "forty-nine billion, six hundred seventy-five million, four hundred thirty-one thousand, five hundred thirteen".