19882684895 has 16 divisors (see below), whose sum is σ = 24092909568. Its totient is φ = 15750489120.

The previous prime is 19882684891. The next prime is 19882684933. The reversal of 19882684895 is 59848628891.

It is not a de Polignac number, because 19882684895 - 2² = 19882684891 is a prime.

It is a super-2 number, since 2×19882684895² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19882684891) 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, 1430630 + ... + 1444460.

It is an arithmetic number, because the mean of its divisors is an integer number (1505806848).

Almost surely, 2^19882684895 is an apocalyptic number.

19882684895 is a deficient number, since it is larger than the sum of its proper divisors (4210224673).

19882684895 is a wasteful number, since it uses less digits than its factorization.

19882684895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16630.

The product of its digits is 79626240, while the sum is 68.

The spelling of 19882684895 in words is "nineteen billion, eight hundred eighty-two million, six hundred eighty-four thousand, eight hundred ninety-five".