8495639256479 has 2 divisors, whose sum is σ = 8495639256480. Its totient is φ = 8495639256478.

The previous prime is 8495639256457. The next prime is 8495639256521. The reversal of 8495639256479 is 9746529365948.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8495639256479 - 2¹² = 8495639252383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8495639256779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4247819628239 + 4247819628240.

It is an arithmetic number, because the mean of its divisors is an integer number (4247819628240).

Almost surely, 2^{8495639256479} is an apocalyptic number.

8495639256479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8495639256479 is an equidigital number, since it uses as much as digits as its factorization.

8495639256479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3527193600, while the sum is 77.

The spelling of 8495639256479 in words is "eight trillion, four hundred ninety-five billion, six hundred thirty-nine million, two hundred fifty-six thousand, four hundred seventy-nine".