19875282673 has 2 divisors, whose sum is σ = 19875282674. Its totient is φ = 19875282672.

The previous prime is 19875282611. The next prime is 19875282683. The reversal of 19875282673 is 37628257891.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17883177984 + 1992104689 = 133728^2 + 44633^2 .

It is a cyclic number.

It is not a de Polignac number, because 19875282673 - 2¹⁷ = 19875151601 is a prime.

It is a super-2 number, since 2×19875282673² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (19875282683) 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, 9937641336 + 9937641337.

It is an arithmetic number, because the mean of its divisors is an integer number (9937641337).

Almost surely, 2^19875282673 is an apocalyptic number.

It is an amenable number.

19875282673 is a deficient number, since it is larger than the sum of its proper divisors (1).

19875282673 is an equidigital number, since it uses as much as digits as its factorization.

19875282673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 58.

The spelling of 19875282673 in words is "nineteen billion, eight hundred seventy-five million, two hundred eighty-two thousand, six hundred seventy-three".