444393352945 has 4 divisors (see below), whose sum is σ = 533272023540. Its totient is φ = 355514682352.

The previous prime is 444393352927. The next prime is 444393352951. The reversal of 444393352945 is 549253393444.

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

It can be written as a sum of positive squares in 2 ways, for example, as 251521307361 + 192872045584 = 501519^2 + 439172^2 .

It is a cyclic number.

It is not a de Polignac number, because 444393352945 - 2¹⁵ = 444393320177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44439335290 + ... + 44439335299.

It is an arithmetic number, because the mean of its divisors is an integer number (133318005885).

Almost surely, 2^444393352945 is an apocalyptic number.

It is an amenable number.

444393352945 is a deficient number, since it is larger than the sum of its proper divisors (88878670595).

444393352945 is an equidigital number, since it uses as much as digits as its factorization.

444393352945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88878670594.

The product of its digits is 27993600, while the sum is 55.

The spelling of 444393352945 in words is "four hundred forty-four billion, three hundred ninety-three million, three hundred fifty-two thousand, nine hundred forty-five".