447665122995 has 16 divisors (see below), whose sum is σ = 721492405920. Its totient is φ = 237011995904.

The previous prime is 447665122969. The next prime is 447665122999. The reversal of 447665122995 is 599221566744.

It is a cyclic number.

It is not a de Polignac number, because 447665122995 - 2⁷ = 447665122867 is a prime.

It is a super-2 number, since 2×447665122995² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (447665122999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108918900 + ... + 108923009.

It is an arithmetic number, because the mean of its divisors is an integer number (45093275370).

Almost surely, 2^447665122995 is an apocalyptic number.

447665122995 is a deficient number, since it is larger than the sum of its proper divisors (273827282925).

447665122995 is a wasteful number, since it uses less digits than its factorization.

447665122995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217842054.

The product of its digits is 32659200, while the sum is 60.

The spelling of 447665122995 in words is "four hundred forty-seven billion, six hundred sixty-five million, one hundred twenty-two thousand, nine hundred ninety-five".