6315413378 has 4 divisors (see below), whose sum is σ = 9473120070. Its totient is φ = 3157706688.

The previous prime is 6315413371. The next prime is 6315413407. The reversal of 6315413378 is 8733145136.

It is a happy number.

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., 3721854049 + 2593559329 = 61007^2 + 50927^2 .

It is a super-2 number, since 2×6315413378² = 79768892270042741768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6315413371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578853343 + ... + 1578853346.

Almost surely, 2^6315413378 is an apocalyptic number.

6315413378 is a deficient number, since it is larger than the sum of its proper divisors (3157706692).

6315413378 is a wasteful number, since it uses less digits than its factorization.

6315413378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157706691.

The product of its digits is 181440, while the sum is 41.

The square root of 6315413378 is about 79469.5751718857. The cubic root of 6315413378 is about 1848.4197245771.

The spelling of 6315413378 in words is "six billion, three hundred fifteen million, four hundred thirteen thousand, three hundred seventy-eight".