49694649693 has 32 divisors (see below), whose sum is σ = 72031693440. Its totient is φ = 30292254720.

The previous prime is 49694649691. The next prime is 49694649703. The reversal of 49694649693 is 39694649694.

It is not a de Polignac number, because 49694649693 - 2¹ = 49694649691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49694649691) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12033453 + ... + 12037581.

It is an arithmetic number, because the mean of its divisors is an integer number (2250990420).

Almost surely, 2^49694649693 is an apocalyptic number.

It is an amenable number.

49694649693 is a deficient number, since it is larger than the sum of its proper divisors (22337043747).

49694649693 is a wasteful number, since it uses less digits than its factorization.

49694649693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989.

The product of its digits is 272097792, while the sum is 69.

Subtracting from 49694649693 its reverse (39694649694), we obtain a palindrome (9999999999).

The spelling of 49694649693 in words is "forty-nine billion, six hundred ninety-four million, six hundred forty-nine thousand, six hundred ninety-three".