2688898213 has 2 divisors, whose sum is σ = 2688898214. Its totient is φ = 2688898212.

The previous prime is 2688898207. The next prime is 2688898249. The reversal of 2688898213 is 3128988862.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2458374724 + 230523489 = 49582^2 + 15183^2 .

It is a cyclic number.

It is not a de Polignac number, because 2688898213 - 2¹³ = 2688890021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2688898813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344449106 + 1344449107.

It is an arithmetic number, because the mean of its divisors is an integer number (1344449107).

Almost surely, 2^2688898213 is an apocalyptic number.

It is an amenable number.

2688898213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688898213 is an equidigital number, since it uses as much as digits as its factorization.

2688898213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2654208, while the sum is 55.

The square root of 2688898213 is about 51854.5871934200. The cubic root of 2688898213 is about 1390.5655123502.

The spelling of 2688898213 in words is "two billion, six hundred eighty-eight million, eight hundred ninety-eight thousand, two hundred thirteen".