4066919447 has 8 divisors (see below), whose sum is σ = 4206028800. Its totient is φ = 3930000984.

The previous prime is 4066919443. The next prime is 4066919449. The reversal of 4066919447 is 7449196604.

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 4066919447 - 2² = 4066919443 is a prime.

It is a super-3 number, since 3×4066919447³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4066919395 and 4066919404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4066919443) 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, 543947 + ... + 551372.

It is an arithmetic number, because the mean of its divisors is an integer number (525753600).

Almost surely, 2^4066919447 is an apocalyptic number.

4066919447 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

4066919447 is a deficient number, since it is larger than the sum of its proper divisors (139109353).

4066919447 is a wasteful number, since it uses less digits than its factorization.

4066919447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095445.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The square root of 4066919447 is about 63772.4034908517. The cubic root of 4066919447 is about 1596.2044730154.

The spelling of 4066919447 in words is "four billion, sixty-six million, nine hundred nineteen thousand, four hundred forty-seven".