986441144689 has 64 divisors (see below), whose sum is σ = 1356446568960. Its totient is φ = 692589035520.

The previous prime is 986441144681. The next prime is 986441144701.

986441144689 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 986441144689 - 2³ = 986441144681 is a prime.

It is a super-2 number, since 2×986441144689² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 986441144689.

It is not an unprimeable number, because it can be changed into a prime (986441144681) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7018497 + ... + 7157665.

It is an arithmetic number, because the mean of its divisors is an integer number (21194477640).

Almost surely, 2^986441144689 is an apocalyptic number.

It is an amenable number.

986441144689 is a deficient number, since it is larger than the sum of its proper divisors (370005424271).

986441144689 is a wasteful number, since it uses less digits than its factorization.

986441144689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139370.

The product of its digits is 47775744, while the sum is 64.

The spelling of 986441144689 in words is "nine hundred eighty-six billion, four hundred forty-one million, one hundred forty-four thousand, six hundred eighty-nine".