386739389393 has 4 divisors (see below), whose sum is σ = 441987873600. Its totient is φ = 331490905188.

The previous prime is 386739389371. The next prime is 386739389423. The reversal of 386739389393 is 393983937683.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 386739389393 - 2⁸ = 386739389137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (386739380393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27624242093 + ... + 27624242106.

It is an arithmetic number, because the mean of its divisors is an integer number (110496968400).

Almost surely, 2^386739389393 is an apocalyptic number.

It is an amenable number.

386739389393 is a deficient number, since it is larger than the sum of its proper divisors (55248484207).

386739389393 is an equidigital number, since it uses as much as digits as its factorization.

386739389393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55248484206.

The product of its digits is 476171136, while the sum is 71.

The spelling of 386739389393 in words is "three hundred eighty-six billion, seven hundred thirty-nine million, three hundred eighty-nine thousand, three hundred ninety-three".