2445678765479 has 2 divisors, whose sum is σ = 2445678765480. Its totient is φ = 2445678765478.

The previous prime is 2445678765449. The next prime is 2445678765511. The reversal of 2445678765479 is 9745678765442.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2445678765479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2445678765449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1222839382739 + 1222839382740.

It is an arithmetic number, because the mean of its divisors is an integer number (1222839382740).

Almost surely, 2^{2445678765479} is an apocalyptic number.

2445678765479 is a deficient number, since it is larger than the sum of its proper divisors (1).

2445678765479 is an equidigital number, since it uses as much as digits as its factorization.

2445678765479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2844979200, while the sum is 74.

The spelling of 2445678765479 in words is "two trillion, four hundred forty-five billion, six hundred seventy-eight million, seven hundred sixty-five thousand, four hundred seventy-nine".