4091564884209 has 16 divisors (see below), whose sum is σ = 5951643960000. Its totient is φ = 2479620936960.

The previous prime is 4091564884193. The next prime is 4091564884367. The reversal of 4091564884209 is 9024884651904.

It is a happy number.

It is not a de Polignac number, because 4091564884209 - 2⁴ = 4091564884193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4091564884609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2161084 + ... + 3585165.

It is an arithmetic number, because the mean of its divisors is an integer number (371977747500).

Almost surely, 2^{4091564884209} is an apocalyptic number.

It is an amenable number.

4091564884209 is a deficient number, since it is larger than the sum of its proper divisors (1860079075791).

4091564884209 is a wasteful number, since it uses less digits than its factorization.

4091564884209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767840.

The product of its (nonzero) digits is 19906560, while the sum is 60.

The spelling of 4091564884209 in words is "four trillion, ninety-one billion, five hundred sixty-four million, eight hundred eighty-four thousand, two hundred nine".