2790556839289 has 2 divisors, whose sum is σ = 2790556839290. Its totient is φ = 2790556839288.

The previous prime is 2790556839251. The next prime is 2790556839347. The reversal of 2790556839289 is 9829386550972.

2790556839289 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 can be written as a sum of positive squares in only one way, i.e., 1759535925625 + 1031020913664 = 1326475^2 + 1015392^2 .

It is a cyclic number.

It is not a de Polignac number, because 2790556839289 - 2²⁹ = 2790019968377 is a prime.

It is a super-2 number, since 2×2790556839289² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2790556839209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395278419644 + 1395278419645.

It is an arithmetic number, because the mean of its divisors is an integer number (1395278419645).

Almost surely, 2^{2790556839289} is an apocalyptic number.

It is an amenable number.

2790556839289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2790556839289 is an equidigital number, since it uses as much as digits as its factorization.

2790556839289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 2790556839289 in words is "two trillion, seven hundred ninety billion, five hundred fifty-six million, eight hundred thirty-nine thousand, two hundred eighty-nine".