389395343593983 has 16 divisors (see below), whose sum is σ = 523436204793600. Its totient is φ = 257479311963840.

The previous prime is 389395343593961. The next prime is 389395343593999.

389395343593983 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 389395343593983 - 2²² = 389395339399679 is a prime.

It is a super-2 number, since 2×389395343593983² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389395343593896 and 389395343593905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389395343593943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 452432238 + ... + 453292091.

It is an arithmetic number, because the mean of its divisors is an integer number (32714762799600).

Almost surely, 2^{389395343593983} is an apocalyptic number.

389395343593983 is a deficient number, since it is larger than the sum of its proper divisors (134040861199617).

389395343593983 is a wasteful number, since it uses less digits than its factorization.

389395343593983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905725502.

The product of its digits is 30611001600, while the sum is 84.

The spelling of 389395343593983 in words is "three hundred eighty-nine trillion, three hundred ninety-five billion, three hundred forty-three million, five hundred ninety-three thousand, nine hundred eighty-three".