49899275797 has 4 divisors (see below), whose sum is σ = 57027743776. Its totient is φ = 42770807820.

The previous prime is 49899275791. The next prime is 49899275819. The reversal of 49899275797 is 79757299894.

49899275797 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49899275797 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 (49899275791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3564233979 + ... + 3564233992.

It is an arithmetic number, because the mean of its divisors is an integer number (14256935944).

Almost surely, 2^49899275797 is an apocalyptic number.

It is an amenable number.

49899275797 is a deficient number, since it is larger than the sum of its proper divisors (7128467979).

49899275797 is an equidigital number, since it uses as much as digits as its factorization.

49899275797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7128467978.

The product of its digits is 720135360, while the sum is 76.

The spelling of 49899275797 in words is "forty-nine billion, eight hundred ninety-nine million, two hundred seventy-five thousand, seven hundred ninety-seven".