2812749586789 has 2 divisors, whose sum is σ = 2812749586790. Its totient is φ = 2812749586788.

The previous prime is 2812749586667. The next prime is 2812749586793. The reversal of 2812749586789 is 9876859472182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2812188133764 + 561453025 = 1676958^2 + 23695^2 .

It is a cyclic number.

It is not a de Polignac number, because 2812749586789 - 2¹⁷ = 2812749455717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2812749583789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1406374793394 + 1406374793395.

It is an arithmetic number, because the mean of its divisors is an integer number (1406374793395).

Almost surely, 2^{2812749586789} is an apocalyptic number.

It is an amenable number.

2812749586789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812749586789 is an equidigital number, since it uses as much as digits as its factorization.

2812749586789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 975421440, while the sum is 76.

The spelling of 2812749586789 in words is "two trillion, eight hundred twelve billion, seven hundred forty-nine million, five hundred eighty-six thousand, seven hundred eighty-nine".