388152626065 has 4 divisors (see below), whose sum is σ = 465783151284. Its totient is φ = 310522100848.

The previous prime is 388152626041. The next prime is 388152626119. The reversal of 388152626065 is 560626251883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 560626251883 = 617 ⋅908632499.

It can be written as a sum of positive squares in 2 ways, for example, as 89866249729 + 298286376336 = 299777^2 + 546156^2 .

It is a cyclic number.

It is not a de Polignac number, because 388152626065 - 2⁷ = 388152625937 is a prime.

It is a super-2 number, since 2×388152626065² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38815262602 + ... + 38815262611.

It is an arithmetic number, because the mean of its divisors is an integer number (116445787821).

Almost surely, 2^388152626065 is an apocalyptic number.

It is an amenable number.

388152626065 is a deficient number, since it is larger than the sum of its proper divisors (77630525219).

388152626065 is an equidigital number, since it uses as much as digits as its factorization.

388152626065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77630525218.

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 388152626065 in words is "three hundred eighty-eight billion, one hundred fifty-two million, six hundred twenty-six thousand, sixty-five".