19090919083 has 2 divisors, whose sum is σ = 19090919084. Its totient is φ = 19090919082.

The previous prime is 19090919039. The next prime is 19090919167. The reversal of 19090919083 is 38091909091.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19090919083 - 2⁹ = 19090918571 is a prime.

It is not a weakly prime, because it can be changed into another prime (19090919483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9545459541 + 9545459542.

It is an arithmetic number, because the mean of its divisors is an integer number (9545459542).

Almost surely, 2^19090919083 is an apocalyptic number.

19090919083 is a deficient number, since it is larger than the sum of its proper divisors (1).

19090919083 is an equidigital number, since it uses as much as digits as its factorization.

19090919083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157464, while the sum is 49.

The spelling of 19090919083 in words is "nineteen billion, ninety million, nine hundred nineteen thousand, eighty-three".