2680961494139 has 4 divisors (see below), whose sum is σ = 2685774711024. Its totient is φ = 2676148277256.

The previous prime is 2680961494111. The next prime is 2680961494147. The reversal of 2680961494139 is 9314941690862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2680961494139 - 2¹² = 2680961490043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680961494439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406607607 + ... + 2406608720.

It is an arithmetic number, because the mean of its divisors is an integer number (671443677756).

Almost surely, 2^{2680961494139} is an apocalyptic number.

2680961494139 is a deficient number, since it is larger than the sum of its proper divisors (4813216885).

2680961494139 is an equidigital number, since it uses as much as digits as its factorization.

2680961494139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813216884.

The product of its (nonzero) digits is 20155392, while the sum is 62.

The spelling of 2680961494139 in words is "two trillion, six hundred eighty billion, nine hundred sixty-one million, four hundred ninety-four thousand, one hundred thirty-nine".