49643634693 has 8 divisors (see below), whose sum is σ = 66213291456. Its totient is φ = 33084867200.

The previous prime is 49643634679. The next prime is 49643634751. The reversal of 49643634693 is 39643634694.

49643634693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49643634693 - 2⁵ = 49643634661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49643634643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711673 + ... + 2729918.

It is an arithmetic number, because the mean of its divisors is an integer number (8276661432).

Almost surely, 2^49643634693 is an apocalyptic number.

It is an amenable number.

49643634693 is a deficient number, since it is larger than the sum of its proper divisors (16569656763).

49643634693 is a wasteful number, since it uses less digits than its factorization.

49643634693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444635.

The product of its digits is 30233088, while the sum is 57.

Subtracting from 49643634693 its reverse (39643634694), we obtain a palindrome (9999999999).

The spelling of 49643634693 in words is "forty-nine billion, six hundred forty-three million, six hundred thirty-four thousand, six hundred ninety-three".