4466444623 has 2 divisors, whose sum is σ = 4466444624. Its totient is φ = 4466444622.

The previous prime is 4466444597. The next prime is 4466444687. The reversal of 4466444623 is 3264446644.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4466444623 - 2²¹ = 4464347471 is a prime.

It is a super-2 number, since 2×4466444623² = 39898255140651224258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4466444623.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4466444693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2233222311 + 2233222312.

It is an arithmetic number, because the mean of its divisors is an integer number (2233222312).

Almost surely, 2^4466444623 is an apocalyptic number.

4466444623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4466444623 is an equidigital number, since it uses as much as digits as its factorization.

4466444623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 43.

The square root of 4466444623 is about 66831.4643188371. The cubic root of 4466444623 is about 1646.8497742083.

The spelling of 4466444623 in words is "four billion, four hundred sixty-six million, four hundred forty-four thousand, six hundred twenty-three".