385565157089 has 32 divisors (see below), whose sum is σ = 447192345600. Its totient is φ = 325618418880.

The previous prime is 385565157049. The next prime is 385565157091. The reversal of 385565157089 is 980751565583.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 385565157089 - 2²⁰ = 385564108513 is a prime.

It is a super-2 number, since 2×385565157089² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (385565157049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99447419 + ... + 99451295.

It is an arithmetic number, because the mean of its divisors is an integer number (13974760800).

Almost surely, 2^385565157089 is an apocalyptic number.

It is an amenable number.

385565157089 is a deficient number, since it is larger than the sum of its proper divisors (61627188511).

385565157089 is a wasteful number, since it uses less digits than its factorization.

385565157089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773.

The product of its (nonzero) digits is 45360000, while the sum is 62.

The spelling of 385565157089 in words is "three hundred eighty-five billion, five hundred sixty-five million, one hundred fifty-seven thousand, eighty-nine".