19109291083 has 2 divisors, whose sum is σ = 19109291084. Its totient is φ = 19109291082.

The previous prime is 19109291063. The next prime is 19109291101. The reversal of 19109291083 is 38019290191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19109291083 - 2¹⁷ = 19109160011 is a prime.

It is not a weakly prime, because it can be changed into another prime (19109291023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9554645541 + 9554645542.

It is an arithmetic number, because the mean of its divisors is an integer number (9554645542).

Almost surely, 2^19109291083 is an apocalyptic number.

19109291083 is a deficient number, since it is larger than the sum of its proper divisors (1).

19109291083 is an equidigital number, since it uses as much as digits as its factorization.

19109291083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 43.

The spelling of 19109291083 in words is "nineteen billion, one hundred nine million, two hundred ninety-one thousand, eighty-three".