2680491541729 has 4 divisors (see below), whose sum is σ = 2699775653680. Its totient is φ = 2661207429780.

The previous prime is 2680491541703. The next prime is 2680491541801. The reversal of 2680491541729 is 9271451940862.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2680491541729 - 2⁷ = 2680491541601 is a prime.

It is a super-2 number, since 2×2680491541729² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680491545729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9642055767 + ... + 9642056044.

It is an arithmetic number, because the mean of its divisors is an integer number (674943913420).

Almost surely, 2^{2680491541729} is an apocalyptic number.

It is an amenable number.

2680491541729 is a deficient number, since it is larger than the sum of its proper divisors (19284111951).

2680491541729 is a wasteful number, since it uses less digits than its factorization.

2680491541729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19284111950.

The product of its (nonzero) digits is 8709120, while the sum is 58.

The spelling of 2680491541729 in words is "two trillion, six hundred eighty billion, four hundred ninety-one million, five hundred forty-one thousand, seven hundred twenty-nine".