84653219889 has 12 divisors (see below), whose sum is σ = 139744998016. Its totient is φ = 48373268472.

The previous prime is 84653219869. The next prime is 84653219891. The reversal of 84653219889 is 98891235648.

84653219889 is a `hidden beast` number, since 8 + 4 + 6 + 532 + 1 + 98 + 8 + 9 = 666.

It is not a de Polignac number, because 84653219889 - 2¹¹ = 84653217841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1343701903 = 84653219889 / (8 + 4 + 6 + 5 + 3 + 2 + 1 + 9 + 8 + 8 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84653219869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 671850889 + ... + 671851014.

Almost surely, 2^84653219889 is an apocalyptic number.

It is an amenable number.

84653219889 is a deficient number, since it is larger than the sum of its proper divisors (55091778127).

84653219889 is a wasteful number, since it uses less digits than its factorization.

84653219889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343701916 (or 1343701913 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 63.

The spelling of 84653219889 in words is "eighty-four billion, six hundred fifty-three million, two hundred nineteen thousand, eight hundred eighty-nine".