4423938651 has 48 divisors (see below), whose sum is σ = 7047406080. Its totient is φ = 2651967360.

The previous prime is 4423938643. The next prime is 4423938667. The reversal of 4423938651 is 1568393244.

It is not a de Polignac number, because 4423938651 - 2³ = 4423938643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4423938597 and 4423938606.

It is not an unprimeable number, because it can be changed into a prime (4423938751) 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, 5953786 + ... + 5954528.

It is an arithmetic number, because the mean of its divisors is an integer number (146820960).

Almost surely, 2^4423938651 is an apocalyptic number.

4423938651 is a deficient number, since it is larger than the sum of its proper divisors (2623467429).

4423938651 is a wasteful number, since it uses less digits than its factorization.

4423938651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336 (or 1333 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 4423938651 is about 66512.6954122294. The cubic root of 4423938651 is about 1641.6089023259.

The spelling of 4423938651 in words is "four billion, four hundred twenty-three million, nine hundred thirty-eight thousand, six hundred fifty-one".