389974479983 has 8 divisors (see below), whose sum is σ = 425443671120. Its totient is φ = 354508116480.

The previous prime is 389974479971. The next prime is 389974480033.

389974479983 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389974479983 - 2⁶ = 389974479919 is a prime.

It is a super-2 number, since 2×389974479983² (a number of 24 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 = 389974479898 and 389974479907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389974479943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413228 + ... + 975041.

It is an arithmetic number, because the mean of its divisors is an integer number (53180458890).

Almost surely, 2^389974479983 is an apocalyptic number.

389974479983 is a deficient number, since it is larger than the sum of its proper divisors (35469191137).

389974479983 is a wasteful number, since it uses less digits than its factorization.

389974479983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413817.

The product of its digits is 2962842624, while the sum is 80.

The spelling of 389974479983 in words is "three hundred eighty-nine billion, nine hundred seventy-four million, four hundred seventy-nine thousand, nine hundred eighty-three".