19220679999 has 16 divisors (see below), whose sum is σ = 28699299840. Its totient is φ = 12712888440.

The previous prime is 19220679979. The next prime is 19220680021. The reversal of 19220679999 is 99997602291.

It is not a de Polignac number, because 19220679999 - 2¹³ = 19220671807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19220679949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2799237 + ... + 2806094.

It is an arithmetic number, because the mean of its divisors is an integer number (1793706240).

Almost surely, 2^19220679999 is an apocalyptic number.

19220679999 is a deficient number, since it is larger than the sum of its proper divisors (9478619841).

19220679999 is a wasteful number, since it uses less digits than its factorization.

19220679999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5605467 (or 5605461 counting only the distinct ones).

The product of its (nonzero) digits is 9920232, while the sum is 63.

The spelling of 19220679999 in words is "nineteen billion, two hundred twenty million, six hundred seventy-nine thousand, nine hundred ninety-nine".