19853018299 has 2 divisors, whose sum is σ = 19853018300. Its totient is φ = 19853018298.

The previous prime is 19853018293. The next prime is 19853018309. The reversal of 19853018299 is 99281035891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19853018299 - 2⁵ = 19853018267 is a prime.

It is not a weakly prime, because it can be changed into another prime (19853018293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9926509149 + 9926509150.

It is an arithmetic number, because the mean of its divisors is an integer number (9926509150).

Almost surely, 2^19853018299 is an apocalyptic number.

19853018299 is a deficient number, since it is larger than the sum of its proper divisors (1).

19853018299 is an equidigital number, since it uses as much as digits as its factorization.

19853018299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 55.

The spelling of 19853018299 in words is "nineteen billion, eight hundred fifty-three million, eighteen thousand, two hundred ninety-nine".