447480960845 has 4 divisors (see below), whose sum is σ = 536977153020. Its totient is φ = 357984768672.

The previous prime is 447480960779. The next prime is 447480960853. The reversal of 447480960845 is 548069084744.

It is a happy number.

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 330963186436 + 116517774409 = 575294^2 + 341347^2 .

It is a cyclic number.

It is not a de Polignac number, because 447480960845 - 2¹² = 447480956749 is a prime.

It is a super-2 number, since 2×447480960845² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 44748096080 + ... + 44748096089.

It is an arithmetic number, because the mean of its divisors is an integer number (134244288255).

Almost surely, 2^447480960845 is an apocalyptic number.

It is an amenable number.

447480960845 is a deficient number, since it is larger than the sum of its proper divisors (89496192175).

447480960845 is an equidigital number, since it uses as much as digits as its factorization.

447480960845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89496192174.

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 447480960845 in words is "four hundred forty-seven billion, four hundred eighty million, nine hundred sixty thousand, eight hundred forty-five".