4421640023 has 2 divisors, whose sum is σ = 4421640024. Its totient is φ = 4421640022.

The previous prime is 4421639969. The next prime is 4421640031. The reversal of 4421640023 is 3200461244.

4421640023 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4421640023 - 2⁸ = 4421639767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4421639974 and 4421640001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4421640523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210820011 + 2210820012.

It is an arithmetic number, because the mean of its divisors is an integer number (2210820012).

Almost surely, 2^4421640023 is an apocalyptic number.

4421640023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421640023 is an equidigital number, since it uses as much as digits as its factorization.

4421640023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 4421640023 is about 66495.4135486050. The cubic root of 4421640023 is about 1641.3245326558.

The spelling of 4421640023 in words is "four billion, four hundred twenty-one million, six hundred forty thousand, twenty-three".