13872872443 has 2 divisors, whose sum is σ = 13872872444. Its totient is φ = 13872872442.

The previous prime is 13872872393. The next prime is 13872872449. The reversal of 13872872443 is 34427827831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13872872443 - 2¹⁷ = 13872741371 is a prime.

It is not a weakly prime, because it can be changed into another prime (13872872449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6936436221 + 6936436222.

It is an arithmetic number, because the mean of its divisors is an integer number (6936436222).

Almost surely, 2^13872872443 is an apocalyptic number.

13872872443 is a deficient number, since it is larger than the sum of its proper divisors (1).

13872872443 is an equidigital number, since it uses as much as digits as its factorization.

13872872443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 49.

The spelling of 13872872443 in words is "thirteen billion, eight hundred seventy-two million, eight hundred seventy-two thousand, four hundred forty-three".