6418617379 has 2 divisors, whose sum is σ = 6418617380. Its totient is φ = 6418617378.

The previous prime is 6418617371. The next prime is 6418617397. The reversal of 6418617379 is 9737168146.

Together with next prime (6418617397) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6418617379 - 2³ = 6418617371 is a prime.

It is not a weakly prime, because it can be changed into another prime (6418617371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209308689 + 3209308690.

It is an arithmetic number, because the mean of its divisors is an integer number (3209308690).

Almost surely, 2^6418617379 is an apocalyptic number.

6418617379 is a deficient number, since it is larger than the sum of its proper divisors (1).

6418617379 is an equidigital number, since it uses as much as digits as its factorization.

6418617379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The square root of 6418617379 is about 80116.2741208052. The cubic root of 6418617379 is about 1858.4340868126.

The spelling of 6418617379 in words is "six billion, four hundred eighteen million, six hundred seventeen thousand, three hundred seventy-nine".