4638418596479 has 2 divisors, whose sum is σ = 4638418596480. Its totient is φ = 4638418596478.

The previous prime is 4638418596421. The next prime is 4638418596521. The reversal of 4638418596479 is 9746958148364.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4638418596479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4638418596079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2319209298239 + 2319209298240.

It is an arithmetic number, because the mean of its divisors is an integer number (2319209298240).

Almost surely, 2^{4638418596479} is an apocalyptic number.

4638418596479 is a deficient number, since it is larger than the sum of its proper divisors (1).

4638418596479 is an equidigital number, since it uses as much as digits as its factorization.

4638418596479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1254113280, while the sum is 74.

The spelling of 4638418596479 in words is "four trillion, six hundred thirty-eight billion, four hundred eighteen million, five hundred ninety-six thousand, four hundred seventy-nine".