2765818493 has 2 divisors, whose sum is σ = 2765818494. Its totient is φ = 2765818492.

The previous prime is 2765818483. The next prime is 2765818501. The reversal of 2765818493 is 3948185672.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1490114404 + 1275704089 = 38602^2 + 35717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2765818493 - 2²⁸ = 2497383037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2765818423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1382909246 + 1382909247.

It is an arithmetic number, because the mean of its divisors is an integer number (1382909247).

Almost surely, 2^2765818493 is an apocalyptic number.

It is an amenable number.

2765818493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2765818493 is an equidigital number, since it uses as much as digits as its factorization.

2765818493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 53.

The square root of 2765818493 is about 52591.0495521814. The cubic root of 2765818493 is about 1403.7008364478.

The spelling of 2765818493 in words is "two billion, seven hundred sixty-five million, eight hundred eighteen thousand, four hundred ninety-three".