4427515644423 has 16 divisors (see below), whose sum is σ = 5985401390976. Its totient is φ = 2910783526560.

The previous prime is 4427515644389. The next prime is 4427515644469. The reversal of 4427515644423 is 3244465157244.

It is not a de Polignac number, because 4427515644423 - 2¹⁶ = 4427515578887 is a prime.

It is a super-2 number, since 2×4427515644423² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427515644493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16117168 + ... + 16389573.

It is an arithmetic number, because the mean of its divisors is an integer number (374087586936).

Almost surely, 2^{4427515644423} is an apocalyptic number.

4427515644423 is a deficient number, since it is larger than the sum of its proper divisors (1557885746553).

4427515644423 is a wasteful number, since it uses less digits than its factorization.

4427515644423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32507374.

The product of its digits is 12902400, while the sum is 51.

The spelling of 4427515644423 in words is "four trillion, four hundred twenty-seven billion, five hundred fifteen million, six hundred forty-four thousand, four hundred twenty-three".