4472819805 has 16 divisors (see below), whose sum is σ = 7225994880. Its totient is φ = 2362342848.

The previous prime is 4472819803. The next prime is 4472819807. The reversal of 4472819805 is 5089182744.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4472819803) and next prime (4472819807).

It is not a de Polignac number, because 4472819805 - 2¹ = 4472819803 is a prime.

It is a super-2 number, since 2×4472819805² = 40012234016000476050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4472819801) 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, 1445970 + ... + 1449059.

It is an arithmetic number, because the mean of its divisors is an integer number (451624680).

Almost surely, 2^4472819805 is an apocalyptic number.

It is an amenable number.

4472819805 is a deficient number, since it is larger than the sum of its proper divisors (2753175075).

4472819805 is a wasteful number, since it uses less digits than its factorization.

4472819805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2895140.

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 4472819805 is about 66879.1432735199. The cubic root of 4472819805 is about 1647.6329456601.

The spelling of 4472819805 in words is "four billion, four hundred seventy-two million, eight hundred nineteen thousand, eight hundred five".