4194730681 has 16 divisors (see below), whose sum is σ = 4441651200. Its totient is φ = 3950499600.

The previous prime is 4194730669. The next prime is 4194730721. The reversal of 4194730681 is 1860374914.

It is a cyclic number.

It is not a de Polignac number, because 4194730681 - 2⁵ = 4194730649 is a prime.

It is a super-2 number, since 2×4194730681² = 35191530972245447522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4194730181) 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, 4319526 + ... + 4320496.

It is an arithmetic number, because the mean of its divisors is an integer number (277603200).

Almost surely, 2^4194730681 is an apocalyptic number.

It is an amenable number.

4194730681 is a deficient number, since it is larger than the sum of its proper divisors (246920519).

4194730681 is a wasteful number, since it uses less digits than its factorization.

4194730681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 4194730681 is about 64766.7405463638. The cubic root of 4194730681 is about 1612.7536279216.

The spelling of 4194730681 in words is "four billion, one hundred ninety-four million, seven hundred thirty thousand, six hundred eighty-one".