986692381123 has 4 divisors (see below), whose sum is σ = 986694516720. Its totient is φ = 986690245528.

The previous prime is 986692381111. The next prime is 986692381133. The reversal of 986692381123 is 321183296689.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 986692381123 - 2²⁵ = 986658826691 is a prime.

It is a super-2 number, since 2×986692381123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986692381133) 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, 53788 + ... + 1405801.

It is an arithmetic number, because the mean of its divisors is an integer number (246673629180).

Almost surely, 2^986692381123 is an apocalyptic number.

986692381123 is a deficient number, since it is larger than the sum of its proper divisors (2135597).

986692381123 is a wasteful number, since it uses less digits than its factorization.

986692381123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135596.

The product of its digits is 6718464, while the sum is 58.

The spelling of 986692381123 in words is "nine hundred eighty-six billion, six hundred ninety-two million, three hundred eighty-one thousand, one hundred twenty-three".