445263449017 has 4 divisors (see below), whose sum is σ = 445280757840. Its totient is φ = 445246140196.

The previous prime is 445263449009. The next prime is 445263449023. The reversal of 445263449017 is 710944362544.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 445263449017 - 2³ = 445263449009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445263449117) 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, 8615767 + ... + 8667292.

It is an arithmetic number, because the mean of its divisors is an integer number (111320189460).

Almost surely, 2^445263449017 is an apocalyptic number.

It is an amenable number.

445263449017 is a deficient number, since it is larger than the sum of its proper divisors (17308823).

445263449017 is a wasteful number, since it uses less digits than its factorization.

445263449017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17308822.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 445263449017 in words is "four hundred forty-five billion, two hundred sixty-three million, four hundred forty-nine thousand, seventeen".