19889976009337 has 16 divisors (see below), whose sum is σ = 22788204396544. Its totient is φ = 17005958424000.

The previous prime is 19889976009331. The next prime is 19889976009353. The reversal of 19889976009337 is 73390067998891.

It is a de Polignac number, because none of the positive numbers 2^k-19889976009337 is a prime.

It is a super-2 number, since 2×19889976009337² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19889976009331) 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, 23726887 + ... + 24550867.

It is an arithmetic number, because the mean of its divisors is an integer number (1424262774784).

Almost surely, 2^{19889976009337} is an apocalyptic number.

It is an amenable number.

19889976009337 is a deficient number, since it is larger than the sum of its proper divisors (2898228387207).

19889976009337 is an equidigital number, since it uses as much as digits as its factorization.

19889976009337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832600.

The product of its (nonzero) digits is 1111065984, while the sum is 79.

The spelling of 19889976009337 in words is "nineteen trillion, eight hundred eighty-nine billion, nine hundred seventy-six million, nine thousand, three hundred thirty-seven".