19670342873 has 2 divisors, whose sum is σ = 19670342874. Its totient is φ = 19670342872.

The previous prime is 19670342833. The next prime is 19670342891. The reversal of 19670342873 is 37824307691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13603023424 + 6067319449 = 116632^2 + 77893^2 .

It is a cyclic number.

It is not a de Polignac number, because 19670342873 - 2²⁸ = 19401907417 is a prime.

It is not a weakly prime, because it can be changed into another prime (19670342833) 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, 9835171436 + 9835171437.

It is an arithmetic number, because the mean of its divisors is an integer number (9835171437).

Almost surely, 2^19670342873 is an apocalyptic number.

It is an amenable number.

19670342873 is a deficient number, since it is larger than the sum of its proper divisors (1).

19670342873 is an equidigital number, since it uses as much as digits as its factorization.

19670342873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 19670342873 in words is "nineteen billion, six hundred seventy million, three hundred forty-two thousand, eight hundred seventy-three".