6416078819 has 2 divisors, whose sum is σ = 6416078820. Its totient is φ = 6416078818.

The previous prime is 6416078789. The next prime is 6416078839. The reversal of 6416078819 is 9188706146.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6416078819 - 2¹² = 6416074723 is a prime.

It is a super-2 number, since 2×6416078819² = 82332134823240869522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6416078839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3208039409 + 3208039410.

It is an arithmetic number, because the mean of its divisors is an integer number (3208039410).

Almost surely, 2^6416078819 is an apocalyptic number.

6416078819 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416078819 is an equidigital number, since it uses as much as digits as its factorization.

6416078819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 6416078819 is about 80100.4295806209. The cubic root of 6416078819 is about 1858.1890512518.

The spelling of 6416078819 in words is "six billion, four hundred sixteen million, seventy-eight thousand, eight hundred nineteen".