2720266559 has 4 divisors (see below), whose sum is σ = 2783528616. Its totient is φ = 2657004504.

The previous prime is 2720266553. The next prime is 2720266579. The reversal of 2720266559 is 9556620272.

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 2720266559 - 2¹⁶ = 2720201023 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 (2720266553) 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, 31630964 + ... + 31631049.

It is an arithmetic number, because the mean of its divisors is an integer number (695882154).

Almost surely, 2^2720266559 is an apocalyptic number.

2720266559 is a deficient number, since it is larger than the sum of its proper divisors (63262057).

2720266559 is an equidigital number, since it uses as much as digits as its factorization.

2720266559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63262056.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 2720266559 is about 52156.1746967701. The cubic root of 2720266559 is about 1395.9520073306.

The spelling of 2720266559 in words is "two billion, seven hundred twenty million, two hundred sixty-six thousand, five hundred fifty-nine".