19989522337 has 16 divisors (see below), whose sum is σ = 21143200000. Its totient is φ = 18846236304.

The previous prime is 19989522313. The next prime is 19989522353. The reversal of 19989522337 is 73322598991.

It is a cyclic number.

It is not a de Polignac number, because 19989522337 - 2¹¹ = 19989520289 is a prime.

It is a super-2 number, since 2×19989522337² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19989022337) 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, 3590518 + ... + 3596080.

It is an arithmetic number, because the mean of its divisors is an integer number (1321450000).

Almost surely, 2^19989522337 is an apocalyptic number.

It is an amenable number.

19989522337 is a deficient number, since it is larger than the sum of its proper divisors (1153677663).

19989522337 is a wasteful number, since it uses less digits than its factorization.

19989522337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6460.

The product of its digits is 7348320, while the sum is 58.

The spelling of 19989522337 in words is "nineteen billion, nine hundred eighty-nine million, five hundred twenty-two thousand, three hundred thirty-seven".