4091686452145 has 8 divisors (see below), whose sum is σ = 4912636858560. Its totient is φ = 3271607084400.

The previous prime is 4091686452121. The next prime is 4091686452233. The reversal of 4091686452145 is 5412546861904.

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

It is a de Polignac number, because none of the positive numbers 2^k-4091686452145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217749331 + ... + 217768120.

It is an arithmetic number, because the mean of its divisors is an integer number (614079607320).

Almost surely, 2^{4091686452145} is an apocalyptic number.

It is an amenable number.

4091686452145 is a deficient number, since it is larger than the sum of its proper divisors (820950406415).

4091686452145 is a wasteful number, since it uses less digits than its factorization.

4091686452145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435519335.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 4091686452145 in words is "four trillion, ninety-one billion, six hundred eighty-six million, four hundred fifty-two thousand, one hundred forty-five".