84501394459 has 8 divisors (see below), whose sum is σ = 85451796320. Its totient is φ = 83554177536.

The previous prime is 84501394451. The next prime is 84501394493. The reversal of 84501394459 is 95449310548.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84501394459 - 2³ = 84501394451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84501394451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 742854 + ... + 849019.

It is an arithmetic number, because the mean of its divisors is an integer number (10681474540).

Almost surely, 2^84501394459 is an apocalyptic number.

84501394459 is a deficient number, since it is larger than the sum of its proper divisors (950401861).

84501394459 is a wasteful number, since it uses less digits than its factorization.

84501394459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592469.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 84501394459 in words is "eighty-four billion, five hundred one million, three hundred ninety-four thousand, four hundred fifty-nine".