19212044699 has 2 divisors, whose sum is σ = 19212044700. Its totient is φ = 19212044698.

The previous prime is 19212044587. The next prime is 19212044701. The reversal of 19212044699 is 99644021291.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19212044699 is a prime.

It is a super-3 number, since 3×19212044699³ (a number of 32 digits) contains 333 as substring.

Together with 19212044701, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19212044899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9606022349 + 9606022350.

It is an arithmetic number, because the mean of its divisors is an integer number (9606022350).

Almost surely, 2^19212044699 is an apocalyptic number.

19212044699 is a deficient number, since it is larger than the sum of its proper divisors (1).

19212044699 is an equidigital number, since it uses as much as digits as its factorization.

19212044699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 19212044699 in words is "nineteen billion, two hundred twelve million, forty-four thousand, six hundred ninety-nine".