388152649385 has 16 divisors (see below), whose sum is σ = 470620060176. Its totient is φ = 307298009088.

The previous prime is 388152649373. The next prime is 388152649387. The reversal of 388152649385 is 583946251883.

It can be written as a sum of positive squares in 8 ways, for example, as 27268907689 + 360883741696 = 165133^2 + 600736^2 .

It is a cyclic number.

It is not a de Polignac number, because 388152649385 - 2⁴ = 388152649369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388152649387) 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, 9939017 + ... + 9977993.

It is an arithmetic number, because the mean of its divisors is an integer number (29413753761).

Almost surely, 2^388152649385 is an apocalyptic number.

It is an amenable number.

388152649385 is a deficient number, since it is larger than the sum of its proper divisors (82467410791).

388152649385 is a wasteful number, since it uses less digits than its factorization.

388152649385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59612.

The product of its digits is 49766400, while the sum is 62.

The spelling of 388152649385 in words is "three hundred eighty-eight billion, one hundred fifty-two million, six hundred forty-nine thousand, three hundred eighty-five".