19992700799 has 2 divisors, whose sum is σ = 19992700800. Its totient is φ = 19992700798.

The previous prime is 19992700789. The next prime is 19992700817. The reversal of 19992700799 is 99700729991.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19992700799 is a prime.

It is a super-3 number, since 3×19992700799³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19992700789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9996350399 + 9996350400.

It is an arithmetic number, because the mean of its divisors is an integer number (9996350400).

Almost surely, 2^19992700799 is an apocalyptic number.

19992700799 is a deficient number, since it is larger than the sum of its proper divisors (1).

19992700799 is an equidigital number, since it uses as much as digits as its factorization.

19992700799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5786802, while the sum is 62.

The spelling of 19992700799 in words is "nineteen billion, nine hundred ninety-two million, seven hundred thousand, seven hundred ninety-nine".