889749338631 has 8 divisors (see below), whose sum is σ = 1186344902640. Its totient is φ = 593160000192.

The previous prime is 889749338627. The next prime is 889749338641. The reversal of 889749338631 is 136833947988.

889749338631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 889749338631 - 2² = 889749338627 is a prime.

It is a super-2 number, since 2×889749338631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889749338641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1212030 + ... + 1802363.

It is an arithmetic number, because the mean of its divisors is an integer number (148293112830).

Almost surely, 2^889749338631 is an apocalyptic number.

889749338631 is a deficient number, since it is larger than the sum of its proper divisors (296595564009).

889749338631 is a wasteful number, since it uses less digits than its factorization.

889749338631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3112785.

The product of its digits is 188116992, while the sum is 69.

The spelling of 889749338631 in words is "eight hundred eighty-nine billion, seven hundred forty-nine million, three hundred thirty-eight thousand, six hundred thirty-one".