19220985469 has 16 divisors (see below), whose sum is σ = 22200716160. Its totient is φ = 16300537920.

The previous prime is 19220985467. The next prime is 19220985517. The reversal of 19220985469 is 96458902291.

It is a cyclic number.

It is not a de Polignac number, because 19220985469 - 2¹ = 19220985467 is a prime.

It is a super-2 number, since 2×19220985469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19220985467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251379 + ... + 318799.

It is an arithmetic number, because the mean of its divisors is an integer number (1387544760).

Almost surely, 2^19220985469 is an apocalyptic number.

It is an amenable number.

19220985469 is a deficient number, since it is larger than the sum of its proper divisors (2979730691).

19220985469 is a wasteful number, since it uses less digits than its factorization.

19220985469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67860.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 19220985469 in words is "nineteen billion, two hundred twenty million, nine hundred eighty-five thousand, four hundred sixty-nine".