2680665743 has 16 divisors (see below), whose sum is σ = 3096577536. Its totient is φ = 2273041440.

The previous prime is 2680665739. The next prime is 2680665751. The reversal of 2680665743 is 3475660862.

It is a cyclic number.

It is not a de Polignac number, because 2680665743 - 2² = 2680665739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2680665733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1304705 + ... + 1306757.

It is an arithmetic number, because the mean of its divisors is an integer number (193536096).

Almost surely, 2^2680665743 is an apocalyptic number.

2680665743 is a deficient number, since it is larger than the sum of its proper divisors (415911793).

2680665743 is a wasteful number, since it uses less digits than its factorization.

2680665743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3974.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The square root of 2680665743 is about 51775.1459968970. The cubic root of 2680665743 is about 1389.1449191164.

The spelling of 2680665743 in words is "two billion, six hundred eighty million, six hundred sixty-five thousand, seven hundred forty-three".