389757707757983 has 4 divisors (see below), whose sum is σ = 389758893520920. Its totient is φ = 389756521995048.

The previous prime is 389757707757941. The next prime is 389757707757989.

389757707757983 is nontrivially palindromic in base 10.

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 389757707757983 - 2³⁴ = 389740527888799 is a prime.

It is a super-2 number, since 2×389757707757983² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389757707757892 and 389757707757901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389757707757989) 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, 592388285 + ... + 593045862.

It is an arithmetic number, because the mean of its divisors is an integer number (97439723380230).

Almost surely, 2^{389757707757983} is an apocalyptic number.

389757707757983 is a deficient number, since it is larger than the sum of its proper divisors (1185762937).

389757707757983 is a wasteful number, since it uses less digits than its factorization.

389757707757983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185762936.

The product of its (nonzero) digits is 137225793600, while the sum is 92.

The spelling of 389757707757983 in words is "three hundred eighty-nine trillion, seven hundred fifty-seven billion, seven hundred seven million, seven hundred fifty-seven thousand, nine hundred eighty-three".