84188690539 has 2 divisors, whose sum is σ = 84188690540. Its totient is φ = 84188690538.

The previous prime is 84188690447. The next prime is 84188690543. The reversal of 84188690539 is 93509688148.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 84188690539 - 2²⁹ = 83651819627 is a prime.

It is a super-3 number, since 3×84188690539³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (84188690549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42094345269 + 42094345270.

It is an arithmetic number, because the mean of its divisors is an integer number (42094345270).

Almost surely, 2^84188690539 is an apocalyptic number.

84188690539 is a deficient number, since it is larger than the sum of its proper divisors (1).

84188690539 is an equidigital number, since it uses as much as digits as its factorization.

84188690539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 84188690539 in words is "eighty-four billion, one hundred eighty-eight million, six hundred ninety thousand, five hundred thirty-nine".