4424491986623 has 2 divisors, whose sum is σ = 4424491986624. Its totient is φ = 4424491986622.

The previous prime is 4424491986617. The next prime is 4424491986671. The reversal of 4424491986623 is 3266891944244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4424491986623 - 2³⁰ = 4423418244799 is a prime.

It is a super-2 number, since 2×4424491986623² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4424491986613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2212245993311 + 2212245993312.

It is an arithmetic number, because the mean of its divisors is an integer number (2212245993312).

Almost surely, 2^{4424491986623} is an apocalyptic number.

4424491986623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4424491986623 is an equidigital number, since it uses as much as digits as its factorization.

4424491986623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71663616, while the sum is 62.

The spelling of 4424491986623 in words is "four trillion, four hundred twenty-four billion, four hundred ninety-one million, nine hundred eighty-six thousand, six hundred twenty-three".