389569460057 has 4 divisors (see below), whose sum is σ = 389634082020. Its totient is φ = 389504838096.

The previous prime is 389569460041. The next prime is 389569460083. The reversal of 389569460057 is 750064965983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351104836681 + 38464623376 = 592541^2 + 196124^2 .

It is a cyclic number.

It is not a de Polignac number, because 389569460057 - 2⁴ = 389569460041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389569460017) 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, 32301938 + ... + 32313995.

It is an arithmetic number, because the mean of its divisors is an integer number (97408520505).

Almost surely, 2^389569460057 is an apocalyptic number.

It is an amenable number.

389569460057 is a deficient number, since it is larger than the sum of its proper divisors (64621963).

389569460057 is an equidigital number, since it uses as much as digits as its factorization.

389569460057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64621962.

The product of its (nonzero) digits is 48988800, while the sum is 62.

The spelling of 389569460057 in words is "three hundred eighty-nine billion, five hundred sixty-nine million, four hundred sixty thousand, fifty-seven".