388005814381 has 8 divisors (see below), whose sum is σ = 388541278944. Its totient is φ = 387470491920.

The previous prime is 388005814363. The next prime is 388005814387. The reversal of 388005814381 is 183418500883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 388005814381 - 2¹³ = 388005806189 is a prime.

It is a super-2 number, since 2×388005814381² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388005814387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6167175 + ... + 6229771.

It is an arithmetic number, because the mean of its divisors is an integer number (48567659868).

Almost surely, 2^388005814381 is an apocalyptic number.

It is an amenable number.

388005814381 is a deficient number, since it is larger than the sum of its proper divisors (535464563).

388005814381 is an equidigital number, since it uses as much as digits as its factorization.

388005814381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71051.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 388005814381 in words is "three hundred eighty-eight billion, five million, eight hundred fourteen thousand, three hundred eighty-one".