6378495189 has 8 divisors (see below), whose sum is σ = 9277811232. Its totient is φ = 3865754640.

The previous prime is 6378495181. The next prime is 6378495191. The reversal of 6378495189 is 9815948736.

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

It is not a de Polignac number, because 6378495189 - 2³ = 6378495181 is a prime.

It is a super-2 number, since 2×6378495189² = 81370401752192291442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6378495181) 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, 96643834 + ... + 96643899.

It is an arithmetic number, because the mean of its divisors is an integer number (1159726404).

Almost surely, 2^6378495189 is an apocalyptic number.

It is an amenable number.

6378495189 is a deficient number, since it is larger than the sum of its proper divisors (2899316043).

6378495189 is a wasteful number, since it uses less digits than its factorization.

6378495189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193287747.

The product of its digits is 13063680, while the sum is 60.

The square root of 6378495189 is about 79865.4818366483. The cubic root of 6378495189 is about 1854.5536897272.

The spelling of 6378495189 in words is "six billion, three hundred seventy-eight million, four hundred ninety-five thousand, one hundred eighty-nine".