2688883493 has 2 divisors, whose sum is σ = 2688883494. Its totient is φ = 2688883492.

The previous prime is 2688883469. The next prime is 2688883501. The reversal of 2688883493 is 3943888862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2059525924 + 629357569 = 45382^2 + 25087^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688883493 - 2⁸ = 2688883237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2688886493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344441746 + 1344441747.

It is an arithmetic number, because the mean of its divisors is an integer number (1344441747).

Almost surely, 2^2688883493 is an apocalyptic number.

It is an amenable number.

2688883493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688883493 is an equidigital number, since it uses as much as digits as its factorization.

2688883493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15925248, while the sum is 59.

The square root of 2688883493 is about 51854.4452578561. The cubic root of 2688883493 is about 1390.5629748596.

The spelling of 2688883493 in words is "two billion, six hundred eighty-eight million, eight hundred eighty-three thousand, four hundred ninety-three".