49961706797 has 4 divisors (see below), whose sum is σ = 50104863900. Its totient is φ = 49818549696.

The previous prime is 49961706787. The next prime is 49961706803. The reversal of 49961706797 is 79760716994.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20272349161 + 29689357636 = 142381^2 + 172306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49961706797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49961706727) 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, 71578028 + ... + 71578725.

It is an arithmetic number, because the mean of its divisors is an integer number (12526215975).

Almost surely, 2^49961706797 is an apocalyptic number.

It is an amenable number.

49961706797 is a deficient number, since it is larger than the sum of its proper divisors (143157103).

49961706797 is a wasteful number, since it uses less digits than its factorization.

49961706797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143157102.

The product of its (nonzero) digits is 36006768, while the sum is 65.

The spelling of 49961706797 in words is "forty-nine billion, nine hundred sixty-one million, seven hundred six thousand, seven hundred ninety-seven".