2845256218879 has 2 divisors, whose sum is σ = 2845256218880. Its totient is φ = 2845256218878.

The previous prime is 2845256218859. The next prime is 2845256218891. The reversal of 2845256218879 is 9788126525482.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2845256218879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2845256218859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422628109439 + 1422628109440.

It is an arithmetic number, because the mean of its divisors is an integer number (1422628109440).

Almost surely, 2^{2845256218879} is an apocalyptic number.

2845256218879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845256218879 is an equidigital number, since it uses as much as digits as its factorization.

2845256218879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 154828800, while the sum is 67.

The spelling of 2845256218879 in words is "two trillion, eight hundred forty-five billion, two hundred fifty-six million, two hundred eighteen thousand, eight hundred seventy-nine".