385034999999 has 16 divisors (see below), whose sum is σ = 445228176960. Its totient is φ = 329798622720.

The previous prime is 385034999957. The next prime is 385035000011. The reversal of 385034999999 is 999999430583.

It is a cyclic number.

It is not a de Polignac number, because 385034999999 - 2³² = 380740032703 is a prime.

It is a Duffinian number.

385034999999 is a modest number, since divided by 999999 gives 385034 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385034992999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12253604 + ... + 12284985.

It is an arithmetic number, because the mean of its divisors is an integer number (27826761060).

Almost surely, 2^385034999999 is an apocalyptic number.

385034999999 is a deficient number, since it is larger than the sum of its proper divisors (60193176961).

385034999999 is a wasteful number, since it uses less digits than its factorization.

385034999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24538690.

The product of its (nonzero) digits is 765275040, while the sum is 77.

The spelling of 385034999999 in words is "three hundred eighty-five billion, thirty-four million, nine hundred ninety-nine thousand, nine hundred ninety-nine".