2680749410639 has 2 divisors, whose sum is σ = 2680749410640. Its totient is φ = 2680749410638.

The previous prime is 2680749410593. The next prime is 2680749410653. The reversal of 2680749410639 is 9360149470862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2680749410639 - 2²⁰ = 2680748362063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680749410699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340374705319 + 1340374705320.

It is an arithmetic number, because the mean of its divisors is an integer number (1340374705320).

Almost surely, 2^{2680749410639} is an apocalyptic number.

2680749410639 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680749410639 is an equidigital number, since it uses as much as digits as its factorization.

2680749410639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 2680749410639 in words is "two trillion, six hundred eighty billion, seven hundred forty-nine million, four hundred ten thousand, six hundred thirty-nine".