889761312013 has 4 divisors (see below), whose sum is σ = 1016870070880. Its totient is φ = 762652553148.

The previous prime is 889761311993. The next prime is 889761312031. The reversal of 889761312013 is 310213167988.

It is a happy number.

889761312013 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 889761312013 - 2²⁹ = 889224441101 is a prime.

It is a super-2 number, since 2×889761312013² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889764312013) 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, 63554379423 + ... + 63554379436.

It is an arithmetic number, because the mean of its divisors is an integer number (254217517720).

Almost surely, 2^889761312013 is an apocalyptic number.

It is an amenable number.

889761312013 is a deficient number, since it is larger than the sum of its proper divisors (127108758867).

889761312013 is a wasteful number, since it uses less digits than its factorization.

889761312013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127108758866.

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 889761312013 in words is "eight hundred eighty-nine billion, seven hundred sixty-one million, three hundred twelve thousand, thirteen".