6371320389 has 8 divisors (see below), whose sum is σ = 9708678720. Its totient is φ = 3640754496.

The previous prime is 6371320381. The next prime is 6371320391. The reversal of 6371320389 is 9830231736.

It is a happy number.

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

It is not a de Polignac number, because 6371320389 - 2³ = 6371320381 is a prime.

It is a super-2 number, since 2×6371320389² = 81187446998574222642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6371320389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6371320381) 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, 151698084 + ... + 151698125.

It is an arithmetic number, because the mean of its divisors is an integer number (1213584840).

Almost surely, 2^6371320389 is an apocalyptic number.

It is an amenable number.

6371320389 is a deficient number, since it is larger than the sum of its proper divisors (3337358331).

6371320389 is a wasteful number, since it uses less digits than its factorization.

6371320389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303396219.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 6371320389 is about 79820.5511694827. The cubic root of 6371320389 is about 1853.8580688110.

The spelling of 6371320389 in words is "six billion, three hundred seventy-one million, three hundred twenty thousand, three hundred eighty-nine".