84993744543 has 4 divisors (see below), whose sum is σ = 113324992728. Its totient is φ = 56662496360.

The previous prime is 84993744529. The next prime is 84993744581. The reversal of 84993744543 is 34544739948.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 84993744543 - 2¹³ = 84993736351 is a prime.

It is a super-2 number, since 2×84993744543² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84993244543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14165624088 + ... + 14165624093.

It is an arithmetic number, because the mean of its divisors is an integer number (28331248182).

Almost surely, 2^84993744543 is an apocalyptic number.

84993744543 is a deficient number, since it is larger than the sum of its proper divisors (28331248185).

84993744543 is a wasteful number, since it uses less digits than its factorization.

84993744543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28331248184.

The product of its digits is 52254720, while the sum is 60.

The spelling of 84993744543 in words is "eighty-four billion, nine hundred ninety-three million, seven hundred forty-four thousand, five hundred forty-three".