49985827529 has 4 divisors (see below), whose sum is σ = 54529993680. Its totient is φ = 45441661380.

The previous prime is 49985827523. The next prime is 49985827531. The reversal of 49985827529 is 92572858994.

49985827529 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 not a de Polignac number, because 49985827529 - 2⁸ = 49985827273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49985827523) 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, 2272083059 + ... + 2272083080.

It is an arithmetic number, because the mean of its divisors is an integer number (13632498420).

Almost surely, 2^49985827529 is an apocalyptic number.

It is an amenable number.

49985827529 is a deficient number, since it is larger than the sum of its proper divisors (4544166151).

49985827529 is a wasteful number, since it uses less digits than its factorization.

49985827529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544166150.

The product of its digits is 130636800, while the sum is 68.

The spelling of 49985827529 in words is "forty-nine billion, nine hundred eighty-five million, eight hundred twenty-seven thousand, five hundred twenty-nine".