19575872441 has 2 divisors, whose sum is σ = 19575872442. Its totient is φ = 19575872440.

The previous prime is 19575872413. The next prime is 19575872551. The reversal of 19575872441 is 14427857591.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18052609600 + 1523262841 = 134360^2 + 39029^2 .

It is a cyclic number.

It is not a de Polignac number, because 19575872441 - 2²⁶ = 19508763577 is a prime.

It is not a weakly prime, because it can be changed into another prime (19578872441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9787936220 + 9787936221.

It is an arithmetic number, because the mean of its divisors is an integer number (9787936221).

Almost surely, 2^19575872441 is an apocalyptic number.

It is an amenable number.

19575872441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19575872441 is an equidigital number, since it uses as much as digits as its factorization.

19575872441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2822400, while the sum is 53.

The spelling of 19575872441 in words is "nineteen billion, five hundred seventy-five million, eight hundred seventy-two thousand, four hundred forty-one".