447345513685 has 16 divisors (see below), whose sum is σ = 613702991232. Its totient is φ = 306650923200.

The previous prime is 447345513679. The next prime is 447345513707. The reversal of 447345513685 is 586315543744.

It is a happy number.

It is not a de Polignac number, because 447345513685 - 2¹⁵ = 447345480917 is a prime.

It is a super-2 number, since 2×447345513685² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980631 + ... + 2194900.

It is an arithmetic number, because the mean of its divisors is an integer number (38356436952).

Almost surely, 2^447345513685 is an apocalyptic number.

It is an amenable number.

447345513685 is a deficient number, since it is larger than the sum of its proper divisors (166357477547).

447345513685 is a wasteful number, since it uses less digits than its factorization.

447345513685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178604.

The product of its digits is 24192000, while the sum is 55.

The spelling of 447345513685 in words is "four hundred forty-seven billion, three hundred forty-five million, five hundred thirteen thousand, six hundred eighty-five".