6368716378 has 4 divisors (see below), whose sum is σ = 9553074570. Its totient is φ = 3184358188.

The previous prime is 6368716349. The next prime is 6368716391. The reversal of 6368716378 is 8736178636.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5178673369 + 1190043009 = 71963^2 + 34497^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1592179093 + ... + 1592179096.

Almost surely, 2^6368716378 is an apocalyptic number.

6368716378 is a deficient number, since it is larger than the sum of its proper divisors (3184358192).

6368716378 is a wasteful number, since it uses less digits than its factorization.

6368716378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3184358191.

The product of its digits is 6096384, while the sum is 55.

The square root of 6368716378 is about 79804.2378448664. The cubic root of 6368716378 is about 1853.6054720527.

The spelling of 6368716378 in words is "six billion, three hundred sixty-eight million, seven hundred sixteen thousand, three hundred seventy-eight".