4442471623 has 2 divisors, whose sum is σ = 4442471624. Its totient is φ = 4442471622.

The previous prime is 4442471519. The next prime is 4442471629. The reversal of 4442471623 is 3261742444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4442471623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4442471629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2221235811 + 2221235812.

It is an arithmetic number, because the mean of its divisors is an integer number (2221235812).

Almost surely, 2^4442471623 is an apocalyptic number.

4442471623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4442471623 is an equidigital number, since it uses as much as digits as its factorization.

4442471623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 37.

The square root of 4442471623 is about 66651.8688635210. The cubic root of 4442471623 is about 1643.8980770802.

The spelling of 4442471623 in words is "four billion, four hundred forty-two million, four hundred seventy-one thousand, six hundred twenty-three".