49889737783 has 4 divisors (see below), whose sum is σ = 50270575608. Its totient is φ = 49508899960.

The previous prime is 49889737753. The next prime is 49889737817. The reversal of 49889737783 is 38773798894.

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

It is a cyclic number.

It is not a de Polignac number, because 49889737783 - 2²¹ = 49887640631 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 (49889737753) 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, 190418716 + ... + 190418977.

It is an arithmetic number, because the mean of its divisors is an integer number (12567643902).

Almost surely, 2^49889737783 is an apocalyptic number.

49889737783 is a deficient number, since it is larger than the sum of its proper divisors (380837825).

49889737783 is a wasteful number, since it uses less digits than its factorization.

49889737783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380837824.

The product of its digits is 512096256, while the sum is 73.

The spelling of 49889737783 in words is "forty-nine billion, eight hundred eighty-nine million, seven hundred thirty-seven thousand, seven hundred eighty-three".