2872863443 has 2 divisors, whose sum is σ = 2872863444. Its totient is φ = 2872863442.

The previous prime is 2872863419. The next prime is 2872863457. The reversal of 2872863443 is 3443682782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2872863443 - 2⁶ = 2872863379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872863943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436431721 + 1436431722.

It is an arithmetic number, because the mean of its divisors is an integer number (1436431722).

Almost surely, 2^2872863443 is an apocalyptic number.

2872863443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872863443 is an equidigital number, since it uses as much as digits as its factorization.

2872863443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 47.

The square root of 2872863443 is about 53599.0992741483. The cubic root of 2872863443 is about 1421.5811658868.

The spelling of 2872863443 in words is "two billion, eight hundred seventy-two million, eight hundred sixty-three thousand, four hundred forty-three".