445454453443999 has 4 divisors (see below), whose sum is σ = 445457701446336. Its totient is φ = 445451205441664.

The previous prime is 445454453443997. The next prime is 445454453444003. The reversal of 445454453443999 is 999344354454544.

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 445454453443999 - 2¹ = 445454453443997 is a prime.

It is a super-2 number, since 2×445454453443999² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445454453443997) 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, 1623795439 + ... + 1624069744.

It is an arithmetic number, because the mean of its divisors is an integer number (111364425361584).

Almost surely, 2^{445454453443999} is an apocalyptic number.

445454453443999 is a deficient number, since it is larger than the sum of its proper divisors (3248002337).

445454453443999 is a wasteful number, since it uses less digits than its factorization.

445454453443999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3248002336.

The product of its digits is 13436928000, while the sum is 76.

The spelling of 445454453443999 in words is "four hundred forty-five trillion, four hundred fifty-four billion, four hundred fifty-three million, four hundred forty-three thousand, nine hundred ninety-nine".