4191901855 has 8 divisors (see below), whose sum is σ = 5032398672. Its totient is φ = 3352110528.

The previous prime is 4191901843. The next prime is 4191901859. The reversal of 4191901855 is 5581091914.

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 4191901855 - 2¹³ = 4191893663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4191901859) 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, 163209 + ... + 187138.

It is an arithmetic number, because the mean of its divisors is an integer number (629049834).

Almost surely, 2^4191901855 is an apocalyptic number.

4191901855 is a deficient number, since it is larger than the sum of its proper divisors (840496817).

4191901855 is a wasteful number, since it uses less digits than its factorization.

4191901855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352745.

The product of its (nonzero) digits is 64800, while the sum is 43.

The square root of 4191901855 is about 64744.8982932246. The cubic root of 4191901855 is about 1612.3910122440.

The spelling of 4191901855 in words is "four billion, one hundred ninety-one million, nine hundred one thousand, eight hundred fifty-five".