2681698288447 has 2 divisors, whose sum is σ = 2681698288448. Its totient is φ = 2681698288446.

The previous prime is 2681698288433. The next prime is 2681698288483. The reversal of 2681698288447 is 7448828961862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2681698288447 - 2²³ = 2681689899839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2681698288447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681698288747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340849144223 + 1340849144224.

It is an arithmetic number, because the mean of its divisors is an integer number (1340849144224).

Almost surely, 2^{2681698288447} is an apocalyptic number.

2681698288447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681698288447 is an equidigital number, since it uses as much as digits as its factorization.

2681698288447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 594542592, while the sum is 73.

The spelling of 2681698288447 in words is "two trillion, six hundred eighty-one billion, six hundred ninety-eight million, two hundred eighty-eight thousand, four hundred forty-seven".