385641815373 has 64 divisors (see below), whose sum is σ = 645910087680. Its totient is φ = 226067998464.

The previous prime is 385641815243. The next prime is 385641815387. The reversal of 385641815373 is 373518146583.

385641815373 is a `hidden beast` number, since 3 + 8 + 5 + 6 + 418 + 153 + 73 = 666.

It is not a de Polignac number, because 385641815373 - 2¹³ = 385641807181 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385641815173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29190 + ... + 878712.

It is an arithmetic number, because the mean of its divisors is an integer number (10092345120).

Almost surely, 2^385641815373 is an apocalyptic number.

It is an amenable number.

385641815373 is a deficient number, since it is larger than the sum of its proper divisors (260268272307).

385641815373 is a wasteful number, since it uses less digits than its factorization.

385641815373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849615 (or 849609 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 54.

The spelling of 385641815373 in words is "three hundred eighty-five billion, six hundred forty-one million, eight hundred fifteen thousand, three hundred seventy-three".