385144536699 has 24 divisors (see below), whose sum is σ = 599467909040. Its totient is φ = 236871905472.

The previous prime is 385144536617. The next prime is 385144536701. The reversal of 385144536699 is 996635441583.

385144536699 is a `hidden beast` number, since 3 + 8 + 5 + 1 + 4 + 4 + 536 + 6 + 99 = 666.

It is not a de Polignac number, because 385144536699 - 2⁹ = 385144536187 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (385144536299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 774109 + ... + 1170270.

Almost surely, 2^385144536699 is an apocalyptic number.

385144536699 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

385144536699 is a deficient number, since it is larger than the sum of its proper divisors (214323372341).

385144536699 is a wasteful number, since it uses less digits than its factorization.

385144536699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946091 (or 1946088 counting only the distinct ones).

The product of its digits is 83980800, while the sum is 63.

The spelling of 385144536699 in words is "three hundred eighty-five billion, one hundred forty-four million, five hundred thirty-six thousand, six hundred ninety-nine".