4425423681 has 48 divisors (see below), whose sum is σ = 7005035520. Its totient is φ = 2477291040.

The previous prime is 4425423671. The next prime is 4425423689. The reversal of 4425423681 is 1863245244.

It is not a de Polignac number, because 4425423681 - 2⁵ = 4425423649 is a prime.

It is a super-2 number, since 2×4425423681² = 39168749512711179522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4425423689) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1741710 + ... + 1744248.

It is an arithmetic number, because the mean of its divisors is an integer number (145938240).

Almost surely, 2^4425423681 is an apocalyptic number.

It is an amenable number.

4425423681 is a deficient number, since it is larger than the sum of its proper divisors (2579611839).

4425423681 is a wasteful number, since it uses less digits than its factorization.

4425423681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794 (or 2787 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 4425423681 is about 66523.8579834333. The cubic root of 4425423681 is about 1641.7925671499.

The spelling of 4425423681 in words is "four billion, four hundred twenty-five million, four hundred twenty-three thousand, six hundred eighty-one".