4197091854 has 32 divisors (see below), whose sum is σ = 8727296256. Its totient is φ = 1344530880.

The previous prime is 4197091751. The next prime is 4197091867. The reversal of 4197091854 is 4581907914.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110842 + ... + 143805.

It is an arithmetic number, because the mean of its divisors is an integer number (272728008).

Almost surely, 2^4197091854 is an apocalyptic number.

4197091854 is an abundant number, since it is smaller than the sum of its proper divisors (4530204402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4197091854 is a wasteful number, since it uses less digits than its factorization.

4197091854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254760.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 4197091854 is about 64784.9662653304. The cubic root of 4197091854 is about 1613.0561722596.

The spelling of 4197091854 in words is "four billion, one hundred ninety-seven million, ninety-one thousand, eight hundred fifty-four".