49643434695 has 32 divisors (see below), whose sum is σ = 80361167040. Its totient is φ = 26167173120.

The previous prime is 49643434691. The next prime is 49643434747. The reversal of 49643434695 is 59643434694.

It is not a de Polignac number, because 49643434695 - 2² = 49643434691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49643434691) 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, 610855 + ... + 687335.

It is an arithmetic number, because the mean of its divisors is an integer number (2511286470).

Almost surely, 2^49643434695 is an apocalyptic number.

49643434695 is a deficient number, since it is larger than the sum of its proper divisors (30717732345).

49643434695 is a wasteful number, since it uses less digits than its factorization.

49643434695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76995.

The product of its digits is 33592320, while the sum is 57.

Subtracting 49643434695 from its reverse (59643434694), we obtain a palindrome (9999999999).

The spelling of 49643434695 in words is "forty-nine billion, six hundred forty-three million, four hundred thirty-four thousand, six hundred ninety-five".