2748561659 has 2 divisors, whose sum is σ = 2748561660. Its totient is φ = 2748561658.

The previous prime is 2748561653. The next prime is 2748561667. The reversal of 2748561659 is 9561658472.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2748561659 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2748561659.

It is not a weakly prime, because it can be changed into another prime (2748561653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1374280829 + 1374280830.

It is an arithmetic number, because the mean of its divisors is an integer number (1374280830).

Almost surely, 2^2748561659 is an apocalyptic number.

2748561659 is a deficient number, since it is larger than the sum of its proper divisors (1).

2748561659 is an equidigital number, since it uses as much as digits as its factorization.

2748561659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 53.

The square root of 2748561659 is about 52426.7265714731. The cubic root of 2748561659 is about 1400.7753628480.

The spelling of 2748561659 in words is "two billion, seven hundred forty-eight million, five hundred sixty-one thousand, six hundred fifty-nine".