6388794845 has 8 divisors (see below), whose sum is σ = 7689717600. Its totient is φ = 5095593360.

The previous prime is 6388794809. The next prime is 6388794869. The reversal of 6388794845 is 5484978836.

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

It is not a de Polignac number, because 6388794845 - 2²⁸ = 6120359389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928495 + ... + 1931804.

It is an arithmetic number, because the mean of its divisors is an integer number (961214700).

Almost surely, 2^6388794845 is an apocalyptic number.

It is an amenable number.

6388794845 is a deficient number, since it is larger than the sum of its proper divisors (1300922755).

6388794845 is a wasteful number, since it uses less digits than its factorization.

6388794845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3860635.

The product of its digits is 46448640, while the sum is 62.

The square root of 6388794845 is about 79929.9371011888. The cubic root of 6388794845 is about 1855.5513645940.

The spelling of 6388794845 in words is "six billion, three hundred eighty-eight million, seven hundred ninety-four thousand, eight hundred forty-five".