2765879881249 has 2 divisors, whose sum is σ = 2765879881250. Its totient is φ = 2765879881248.

The previous prime is 2765879881169. The next prime is 2765879881277. The reversal of 2765879881249 is 9421889785672.

2765879881249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2757924490000 + 7955391249 = 1660700^2 + 89193^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765879881249 - 2¹¹ = 2765879879201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2765879881279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382939940624 + 1382939940625.

It is an arithmetic number, because the mean of its divisors is an integer number (1382939940625).

Almost surely, 2^{2765879881249} is an apocalyptic number.

It is an amenable number.

2765879881249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765879881249 is an equidigital number, since it uses as much as digits as its factorization.

2765879881249 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 2765879881249 in words is "two trillion, seven hundred sixty-five billion, eight hundred seventy-nine million, eight hundred eighty-one thousand, two hundred forty-nine".