385793034889 has 16 divisors (see below), whose sum is σ = 392848943760. Its totient is φ = 378800547840.

The previous prime is 385793034883. The next prime is 385793034901. The reversal of 385793034889 is 988430397583.

It can be written as a sum of positive squares in 8 ways, for example, as 28089760000 + 357703274889 = 167600^2 + 598083^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-385793034889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (385793034883) 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, 26164059 + ... + 26178799.

It is an arithmetic number, because the mean of its divisors is an integer number (24553058985).

Almost surely, 2^385793034889 is an apocalyptic number.

It is an amenable number.

385793034889 is a deficient number, since it is larger than the sum of its proper divisors (7055908871).

385793034889 is a wasteful number, since it uses less digits than its factorization.

385793034889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16860.

The product of its (nonzero) digits is 156764160, while the sum is 67.

The spelling of 385793034889 in words is "three hundred eighty-five billion, seven hundred ninety-three million, thirty-four thousand, eight hundred eighty-nine".