4518619397879 has 2 divisors, whose sum is σ = 4518619397880. Its totient is φ = 4518619397878.

The previous prime is 4518619397779. The next prime is 4518619397881. The reversal of 4518619397879 is 9787939168154.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4518619397879 is a prime.

Together with 4518619397881, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4518619397779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259309698939 + 2259309698940.

It is an arithmetic number, because the mean of its divisors is an integer number (2259309698940).

Almost surely, 2^{4518619397879} is an apocalyptic number.

4518619397879 is a deficient number, since it is larger than the sum of its proper divisors (1).

4518619397879 is an equidigital number, since it uses as much as digits as its factorization.

4518619397879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 823011840, while the sum is 77.

The spelling of 4518619397879 in words is "four trillion, five hundred eighteen billion, six hundred nineteen million, three hundred ninety-seven thousand, eight hundred seventy-nine".