386903868969 has 4 divisors (see below), whose sum is σ = 515871825296. Its totient is φ = 257935912644.

The previous prime is 386903868943. The next prime is 386903869043. The reversal of 386903868969 is 969868309683.

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 not a de Polignac number, because 386903868969 - 2⁹ = 386903868457 is a prime.

It is a super-2 number, since 2×386903868969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 386903868969.

It is not an unprimeable number, because it can be changed into a prime (386903868929) 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, 64483978159 + ... + 64483978164.

It is an arithmetic number, because the mean of its divisors is an integer number (128967956324).

Almost surely, 2^386903868969 is an apocalyptic number.

It is an amenable number.

386903868969 is a deficient number, since it is larger than the sum of its proper divisors (128967956327).

386903868969 is a wasteful number, since it uses less digits than its factorization.

386903868969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128967956326.

The product of its (nonzero) digits is 725594112, while the sum is 75.

The spelling of 386903868969 in words is "three hundred eighty-six billion, nine hundred three million, eight hundred sixty-eight thousand, nine hundred sixty-nine".