2102686793 has 2 divisors, whose sum is σ = 2102686794. Its totient is φ = 2102686792.

The previous prime is 2102686787. The next prime is 2102686903. The reversal of 2102686793 is 3976862012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2098372864 + 4313929 = 45808^2 + 2077^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102686793 - 2²⁸ = 1834251337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2102686723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051343396 + 1051343397.

It is an arithmetic number, because the mean of its divisors is an integer number (1051343397).

Almost surely, 2^2102686793 is an apocalyptic number.

It is an amenable number.

2102686793 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102686793 is an equidigital number, since it uses as much as digits as its factorization.

2102686793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2102686793 is about 45855.0628938616. The cubic root of 2102686793 is about 1281.1250673409.

The spelling of 2102686793 in words is "two billion, one hundred two million, six hundred eighty-six thousand, seven hundred ninety-three".