6415338379 has 2 divisors, whose sum is σ = 6415338380. Its totient is φ = 6415338378.

The previous prime is 6415338359. The next prime is 6415338403. The reversal of 6415338379 is 9738335146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6415338379 - 2⁹ = 6415337867 is a prime.

It is not a weakly prime, because it can be changed into another prime (6415338329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3207669189 + 3207669190.

It is an arithmetic number, because the mean of its divisors is an integer number (3207669190).

Almost surely, 2^6415338379 is an apocalyptic number.

6415338379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6415338379 is an equidigital number, since it uses as much as digits as its factorization.

6415338379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 49.

The square root of 6415338379 is about 80095.8074995190. The cubic root of 6415338379 is about 1858.1175677974.

The spelling of 6415338379 in words is "six billion, four hundred fifteen million, three hundred thirty-eight thousand, three hundred seventy-nine".