389359963457 has 4 divisors (see below), whose sum is σ = 389467733460. Its totient is φ = 389252193456.

The previous prime is 389359963411. The next prime is 389359963511. The reversal of 389359963457 is 754369953983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 754369953983 = 33349 ⋅22620467.

It can be written as a sum of positive squares in 2 ways, for example, as 117701141776 + 271658821681 = 343076^2 + 521209^2 .

It is a cyclic number.

It is not a de Polignac number, because 389359963457 - 2¹² = 389359959361 is a prime.

It is a super-2 number, since 2×389359963457² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389359965457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53879582 + ... + 53886807.

It is an arithmetic number, because the mean of its divisors is an integer number (97366933365).

Almost surely, 2^389359963457 is an apocalyptic number.

It is an amenable number.

389359963457 is a deficient number, since it is larger than the sum of its proper divisors (107770003).

389359963457 is a wasteful number, since it uses less digits than its factorization.

389359963457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107770002.

The product of its digits is 661348800, while the sum is 71.

The spelling of 389359963457 in words is "three hundred eighty-nine billion, three hundred fifty-nine million, nine hundred sixty-three thousand, four hundred fifty-seven".