49327839889 has 4 divisors (see below), whose sum is σ = 49329307060. Its totient is φ = 49326372720.

The previous prime is 49327839839. The next prime is 49327839917. The reversal of 49327839889 is 98893872394.

49327839889 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.

It can be written as a sum of positive squares in 2 ways, for example, as 29340949264 + 19986890625 = 171292^2 + 141375^2 .

It is a cyclic number.

It is not a de Polignac number, because 49327839889 - 2²⁹ = 48790968977 is a prime.

It is a super-2 number, since 2×49327839889² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49327839839) 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, 681942 + ... + 750799.

It is an arithmetic number, because the mean of its divisors is an integer number (12332326765).

Almost surely, 2^49327839889 is an apocalyptic number.

It is an amenable number.

49327839889 is a deficient number, since it is larger than the sum of its proper divisors (1467171).

49327839889 is a wasteful number, since it uses less digits than its factorization.

49327839889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467170.

The product of its digits is 188116992, while the sum is 70.

The spelling of 49327839889 in words is "forty-nine billion, three hundred twenty-seven million, eight hundred thirty-nine thousand, eight hundred eighty-nine".