389435872463 has 16 divisors (see below), whose sum is σ = 428300823552. Its totient is φ = 351154980000.

The previous prime is 389435872453. The next prime is 389435872489. The reversal of 389435872463 is 364278534983.

It is not a de Polignac number, because 389435872463 - 2¹⁴ = 389435856079 is a prime.

It is a super-2 number, since 2×389435872463² (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 = 389435872396 and 389435872405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389435872453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920570 + ... + 1275272.

It is an arithmetic number, because the mean of its divisors is an integer number (26768801472).

Almost surely, 2^389435872463 is an apocalyptic number.

389435872463 is a deficient number, since it is larger than the sum of its proper divisors (38864951089).

389435872463 is a wasteful number, since it uses less digits than its factorization.

389435872463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355526.

The product of its digits is 104509440, while the sum is 62.

The spelling of 389435872463 in words is "three hundred eighty-nine billion, four hundred thirty-five million, eight hundred seventy-two thousand, four hundred sixty-three".