4425620823 has 12 divisors (see below), whose sum is σ = 6884299240. Its totient is φ = 2723458896.

The previous prime is 4425620813. The next prime is 4425620827. The reversal of 4425620823 is 3280265244.

4425620823 is a `hidden beast` number, since 4 + 4 + 2 + 5 + 620 + 8 + 23 = 666.

It is not a de Polignac number, because 4425620823 - 2⁸ = 4425620567 is a prime.

It is a super-2 number, since 2×4425620823² = 39172239337942394658, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425620827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18912793 + ... + 18913026.

Almost surely, 2^4425620823 is an apocalyptic number.

4425620823 is a deficient number, since it is larger than the sum of its proper divisors (2458678417).

4425620823 is a wasteful number, since it uses less digits than its factorization.

4425620823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37825838 (or 37825835 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 4425620823 is about 66525.3397060098. The cubic root of 4425620823 is about 1641.8169460936.

It can be divided in two parts, 442 and 5620823, that added together give a palindrome (5621265).

The spelling of 4425620823 in words is "four billion, four hundred twenty-five million, six hundred twenty thousand, eight hundred twenty-three".