445561482239999 has 4 divisors (see below), whose sum is σ = 469012086568440. Its totient is φ = 422110877911560.

The previous prime is 445561482239983. The next prime is 445561482240023. The reversal of 445561482239999 is 999932284165544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 445561482239999 - 2⁴ = 445561482239983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445561481239999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11725302164192 + ... + 11725302164229.

It is an arithmetic number, because the mean of its divisors is an integer number (117253021642110).

Almost surely, 2^{445561482239999} is an apocalyptic number.

445561482239999 is a deficient number, since it is larger than the sum of its proper divisors (23450604328441).

445561482239999 is a wasteful number, since it uses less digits than its factorization.

445561482239999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23450604328440.

The product of its digits is 6046617600, while the sum is 80.

The spelling of 445561482239999 in words is "four hundred forty-five trillion, five hundred sixty-one billion, four hundred eighty-two million, two hundred thirty-nine thousand, nine hundred ninety-nine".