49715780889 has 4 divisors (see below), whose sum is σ = 66287707856. Its totient is φ = 33143853924.

The previous prime is 49715780867. The next prime is 49715780909. The reversal of 49715780889 is 98808751794.

49715780889 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 not a de Polignac number, because 49715780889 - 2⁵ = 49715780857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49715780819) 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, 8285963479 + ... + 8285963484.

It is an arithmetic number, because the mean of its divisors is an integer number (16571926964).

Almost surely, 2^49715780889 is an apocalyptic number.

It is an amenable number.

49715780889 is a deficient number, since it is larger than the sum of its proper divisors (16571926967).

49715780889 is a wasteful number, since it uses less digits than its factorization.

49715780889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16571926966.

The product of its (nonzero) digits is 40642560, while the sum is 66.

The spelling of 49715780889 in words is "forty-nine billion, seven hundred fifteen million, seven hundred eighty thousand, eight hundred eighty-nine".