385647609599 has 16 divisors (see below), whose sum is σ = 443912352000. Its totient is φ = 328182796800.

The previous prime is 385647609559. The next prime is 385647609649. The reversal of 385647609599 is 995906746583.

It is a cyclic number.

It is not a de Polignac number, because 385647609599 - 2³² = 381352642303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385647609509) 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, 388124 + ... + 960174.

It is an arithmetic number, because the mean of its divisors is an integer number (27744522000).

Almost surely, 2^385647609599 is an apocalyptic number.

385647609599 is a deficient number, since it is larger than the sum of its proper divisors (58264742401).

385647609599 is a wasteful number, since it uses less digits than its factorization.

385647609599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572750.

The product of its (nonzero) digits is 440899200, while the sum is 71.

The spelling of 385647609599 in words is "three hundred eighty-five billion, six hundred forty-seven million, six hundred nine thousand, five hundred ninety-nine".