2720091543 has 16 divisors (see below), whose sum is σ = 3912644736. Its totient is φ = 1670957280.

The previous prime is 2720091523. The next prime is 2720091587. The reversal of 2720091543 is 3451900272.

It is not a de Polignac number, because 2720091543 - 2¹⁷ = 2719960471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720091503) 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, 38805 + ... + 83342.

It is an arithmetic number, because the mean of its divisors is an integer number (244540296).

Almost surely, 2^2720091543 is an apocalyptic number.

2720091543 is a deficient number, since it is larger than the sum of its proper divisors (1192553193).

2720091543 is a wasteful number, since it uses less digits than its factorization.

2720091543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122734.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 2720091543 is about 52154.4968626867. The cubic root of 2720091543 is about 1395.9220691890.

The spelling of 2720091543 in words is "two billion, seven hundred twenty million, ninety-one thousand, five hundred forty-three".