2812879082891 has 2 divisors, whose sum is σ = 2812879082892. Its totient is φ = 2812879082890.

The previous prime is 2812879082873. The next prime is 2812879082929. The reversal of 2812879082891 is 1982809782182.

2812879082891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2812879082891 - 2³⁴ = 2795699213707 is a prime.

It is not a weakly prime, because it can be changed into another prime (2812879082801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406439541445 + 1406439541446.

It is an arithmetic number, because the mean of its divisors is an integer number (1406439541446).

Almost surely, 2^{2812879082891} is an apocalyptic number.

2812879082891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812879082891 is an equidigital number, since it uses as much as digits as its factorization.

2812879082891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18579456, while the sum is 65.

The spelling of 2812879082891 in words is "two trillion, eight hundred twelve billion, eight hundred seventy-nine million, eighty-two thousand, eight hundred ninety-one".