2686693433 has 2 divisors, whose sum is σ = 2686693434. Its totient is φ = 2686693432.

The previous prime is 2686693397. The next prime is 2686693439. The reversal of 2686693433 is 3343966862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2309090809 + 377602624 = 48053^2 + 19432^2 .

It is a cyclic number.

It is not a de Polignac number, because 2686693433 - 2⁶ = 2686693369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2686693439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343346716 + 1343346717.

It is an arithmetic number, because the mean of its divisors is an integer number (1343346717).

Almost surely, 2^2686693433 is an apocalyptic number.

It is an amenable number.

2686693433 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686693433 is an equidigital number, since it uses as much as digits as its factorization.

2686693433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3359232, while the sum is 50.

The square root of 2686693433 is about 51833.3235766336. The cubic root of 2686693433 is about 1390.1853406051.

The spelling of 2686693433 in words is "two billion, six hundred eighty-six million, six hundred ninety-three thousand, four hundred thirty-three".