19109801083 has 2 divisors, whose sum is σ = 19109801084. Its totient is φ = 19109801082.

The previous prime is 19109801027. The next prime is 19109801101. The reversal of 19109801083 is 38010890191.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (38010890191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19109801083 - 2²¹ = 19107703931 is a prime.

It is not a weakly prime, because it can be changed into another prime (19109801003) 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, 9554900541 + 9554900542.

It is an arithmetic number, because the mean of its divisors is an integer number (9554900542).

Almost surely, 2^19109801083 is an apocalyptic number.

19109801083 is a deficient number, since it is larger than the sum of its proper divisors (1).

19109801083 is an equidigital number, since it uses as much as digits as its factorization.

19109801083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 40.

The spelling of 19109801083 in words is "nineteen billion, one hundred nine million, eight hundred one thousand, eighty-three".