84389195053 has 4 divisors (see below), whose sum is σ = 84389858140. Its totient is φ = 84388531968.

The previous prime is 84389195041. The next prime is 84389195087. The reversal of 84389195053 is 35059198348.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 62733718089 + 21655476964 = 250467^2 + 147158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-84389195053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84389194985 and 84389195003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84389195753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73908 + ... + 417421.

It is an arithmetic number, because the mean of its divisors is an integer number (21097464535).

Almost surely, 2^84389195053 is an apocalyptic number.

It is an amenable number.

84389195053 is a deficient number, since it is larger than the sum of its proper divisors (663087).

84389195053 is a wasteful number, since it uses less digits than its factorization.

84389195053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663086.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 84389195053 in words is "eighty-four billion, three hundred eighty-nine million, one hundred ninety-five thousand, fifty-three".