84109469405 has 32 divisors (see below), whose sum is σ = 110635728000. Its totient is φ = 61008152832.

The previous prime is 84109469371. The next prime is 84109469407. The reversal of 84109469405 is 50496490148.

It is a cyclic number.

It is not a de Polignac number, because 84109469405 - 2⁸ = 84109469149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84109469407) 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 31 ways as a sum of consecutive naturals, for example, 1492226 + ... + 1547564.

It is an arithmetic number, because the mean of its divisors is an integer number (3457366500).

Almost surely, 2^84109469405 is an apocalyptic number.

It is an amenable number.

84109469405 is a deficient number, since it is larger than the sum of its proper divisors (26526258595).

84109469405 is a wasteful number, since it uses less digits than its factorization.

84109469405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55773.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 84109469405 in words is "eighty-four billion, one hundred nine million, four hundred sixty-nine thousand, four hundred five".