84305494091 has 16 divisors (see below), whose sum is σ = 103870281984. Its totient is φ = 66632743584.

The previous prime is 84305494051. The next prime is 84305494109. The reversal of 84305494091 is 19049450348.

It is a cyclic number.

It is not a de Polignac number, because 84305494091 - 2⁶ = 84305494027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84305494051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402965 + ... + 575318.

It is an arithmetic number, because the mean of its divisors is an integer number (6491892624).

Almost surely, 2^84305494091 is an apocalyptic number.

84305494091 is a deficient number, since it is larger than the sum of its proper divisors (19564787893).

84305494091 is a wasteful number, since it uses less digits than its factorization.

84305494091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979250.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 84305494091 in words is "eighty-four billion, three hundred five million, four hundred ninety-four thousand, ninety-one".