6387934194 has 24 divisors (see below), whose sum is σ = 13848187392. Its totient is φ = 2128132440.

The previous prime is 6387934181. The next prime is 6387934199. The reversal of 6387934194 is 4914397836.

It is a happy number.

6387934194 is a `hidden beast` number, since 63 + 87 + 93 + 419 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 6387934194.

It is not an unprimeable number, because it can be changed into a prime (6387934199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64522 + ... + 130149.

It is an arithmetic number, because the mean of its divisors is an integer number (577007808).

Almost surely, 2^6387934194 is an apocalyptic number.

6387934194 is an abundant number, since it is smaller than the sum of its proper divisors (7460253198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6387934194 is a wasteful number, since it uses less digits than its factorization.

6387934194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196502 (or 196499 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 6387934194 is about 79924.5531360670. The cubic root of 6387934194 is about 1855.4680388185.

The spelling of 6387934194 in words is "six billion, three hundred eighty-seven million, nine hundred thirty-four thousand, one hundred ninety-four".