385916032897 has 4 divisors (see below), whose sum is σ = 398364937216. Its totient is φ = 373467128580.

The previous prime is 385916032837. The next prime is 385916032987. The reversal of 385916032897 is 798230619583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385916032897 - 2¹⁹ = 385915508609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385916032807) 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, 6224452113 + ... + 6224452174.

It is an arithmetic number, because the mean of its divisors is an integer number (99591234304).

Almost surely, 2^385916032897 is an apocalyptic number.

It is an amenable number.

385916032897 is a deficient number, since it is larger than the sum of its proper divisors (12448904319).

385916032897 is a wasteful number, since it uses less digits than its factorization.

385916032897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12448904318.

The product of its (nonzero) digits is 19595520, while the sum is 61.

The spelling of 385916032897 in words is "three hundred eighty-five billion, nine hundred sixteen million, thirty-two thousand, eight hundred ninety-seven".