2680544747 has 4 divisors (see below), whose sum is σ = 2707084896. Its totient is φ = 2654004600.

The previous prime is 2680544693. The next prime is 2680544753. The reversal of 2680544747 is 7474450862.

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 2680544747 - 2¹² = 2680540651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2680544147) 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, 13269923 + ... + 13270124.

It is an arithmetic number, because the mean of its divisors is an integer number (676771224).

Almost surely, 2^2680544747 is an apocalyptic number.

2680544747 is a deficient number, since it is larger than the sum of its proper divisors (26540149).

2680544747 is a wasteful number, since it uses less digits than its factorization.

2680544747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26540148.

The product of its (nonzero) digits is 1505280, while the sum is 47.

The square root of 2680544747 is about 51773.9775080107. The cubic root of 2680544747 is about 1389.1240183994.

The spelling of 2680544747 in words is "two billion, six hundred eighty million, five hundred forty-four thousand, seven hundred forty-seven".