84193343525 has 6 divisors (see below), whose sum is σ = 104399746002. Its totient is φ = 67354674800.

The previous prime is 84193343513. The next prime is 84193343543. The reversal of 84193343525 is 52534339148.

It can be written as a sum of positive squares in 3 ways, for example, as 491331556 + 83702011969 = 22166^2 + 289313^2 .

It is a de Polignac number, because none of the positive numbers 2^k-84193343525 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 84193343525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1683866846 + ... + 1683866895.

It is an arithmetic number, because the mean of its divisors is an integer number (17399957667).

Almost surely, 2^84193343525 is an apocalyptic number.

It is an amenable number.

84193343525 is a deficient number, since it is larger than the sum of its proper divisors (20206402477).

84193343525 is a wasteful number, since it uses less digits than its factorization.

84193343525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367733751 (or 3367733746 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 84193343525 in words is "eighty-four billion, one hundred ninety-three million, three hundred forty-three thousand, five hundred twenty-five".