2872745543 has 2 divisors, whose sum is σ = 2872745544. Its totient is φ = 2872745542.

The previous prime is 2872745509. The next prime is 2872745573. The reversal of 2872745543 is 3455472782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2872745543 - 2¹⁰ = 2872744519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872745573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436372771 + 1436372772.

It is an arithmetic number, because the mean of its divisors is an integer number (1436372772).

Almost surely, 2^2872745543 is an apocalyptic number.

2872745543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872745543 is an equidigital number, since it uses as much as digits as its factorization.

2872745543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 47.

The square root of 2872745543 is about 53597.9994309489. Note that the first 3 decimals coincide. The cubic root of 2872745543 is about 1421.5617187724.

The spelling of 2872745543 in words is "two billion, eight hundred seventy-two million, seven hundred forty-five thousand, five hundred forty-three".