4445485498623 has 64 divisors (see below), whose sum is σ = 6748614512640. Its totient is φ = 2582274359808.

The previous prime is 4445485498613. The next prime is 4445485498721. The reversal of 4445485498623 is 3268945845444.

It is a Cunningham number, because it is equal to 2108432²-1.

It is not a de Polignac number, because 4445485498623 - 2⁵ = 4445485498591 is a prime.

It is a super-2 number, since 2×4445485498623² (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 (4445485498613) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 145466461 + ... + 145497017.

It is an arithmetic number, because the mean of its divisors is an integer number (105447101760).

Almost surely, 2^{4445485498623} is an apocalyptic number.

4445485498623 is a deficient number, since it is larger than the sum of its proper divisors (2303129014017).

4445485498623 is a wasteful number, since it uses less digits than its factorization.

4445485498623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32728.

The product of its digits is 530841600, while the sum is 66.

The spelling of 4445485498623 in words is "four trillion, four hundred forty-five billion, four hundred eighty-five million, four hundred ninety-eight thousand, six hundred twenty-three".