19884135083 has 2 divisors, whose sum is σ = 19884135084. Its totient is φ = 19884135082.

The previous prime is 19884134993. The next prime is 19884135137. The reversal of 19884135083 is 38053148891.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19884135083 - 2²⁰ = 19883086507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (19884131083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9942067541 + 9942067542.

It is an arithmetic number, because the mean of its divisors is an integer number (9942067542).

Almost surely, 2^19884135083 is an apocalyptic number.

19884135083 is a deficient number, since it is larger than the sum of its proper divisors (1).

19884135083 is an equidigital number, since it uses as much as digits as its factorization.

19884135083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 19884135083 in words is "nineteen billion, eight hundred eighty-four million, one hundred thirty-five thousand, eighty-three".