19219836607 has 2 divisors, whose sum is σ = 19219836608. Its totient is φ = 19219836606.

The previous prime is 19219836583. The next prime is 19219836613. The reversal of 19219836607 is 70663891291.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19219836607 - 2¹¹ = 19219834559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19219836667) 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, 9609918303 + 9609918304.

It is an arithmetic number, because the mean of its divisors is an integer number (9609918304).

Almost surely, 2^19219836607 is an apocalyptic number.

19219836607 is a deficient number, since it is larger than the sum of its proper divisors (1).

19219836607 is an equidigital number, since it uses as much as digits as its factorization.

19219836607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 19219836607 in words is "nineteen billion, two hundred nineteen million, eight hundred thirty-six thousand, six hundred seven".