2681993720207 has 2 divisors, whose sum is σ = 2681993720208. Its totient is φ = 2681993720206.

The previous prime is 2681993720129. The next prime is 2681993720261. The reversal of 2681993720207 is 7020273991862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2681993720207 - 2¹⁰ = 2681993719183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681993728207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340996860103 + 1340996860104.

It is an arithmetic number, because the mean of its divisors is an integer number (1340996860104).

Almost surely, 2^{2681993720207} is an apocalyptic number.

2681993720207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681993720207 is an equidigital number, since it uses as much as digits as its factorization.

2681993720207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 2681993720207 in words is "two trillion, six hundred eighty-one billion, nine hundred ninety-three million, seven hundred twenty thousand, two hundred seven".