19822924799 has 4 divisors (see below), whose sum is σ = 20506473960. Its totient is φ = 19139375640.

The previous prime is 19822924763. The next prime is 19822924801. The reversal of 19822924799 is 99742922891.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99742922891 = 823 ⋅121194317.

It is a cyclic number.

It is not a de Polignac number, because 19822924799 - 2³² = 15527957503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19822824799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341774537 + ... + 341774594.

It is an arithmetic number, because the mean of its divisors is an integer number (5126618490).

Almost surely, 2^19822924799 is an apocalyptic number.

19822924799 is a deficient number, since it is larger than the sum of its proper divisors (683549161).

19822924799 is an equidigital number, since it uses as much as digits as its factorization.

19822924799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683549160.

The product of its digits is 11757312, while the sum is 62.

The spelling of 19822924799 in words is "nineteen billion, eight hundred twenty-two million, nine hundred twenty-four thousand, seven hundred ninety-nine".