447104111961 has 16 divisors (see below), whose sum is σ = 642042544640. Its totient is φ = 275120893440.

The previous prime is 447104111893. The next prime is 447104111989. The reversal of 447104111961 is 169111401744.

It is a happy number.

It is not a de Polignac number, because 447104111961 - 2¹³ = 447104103769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447104161961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131160 + ... + 954678.

It is an arithmetic number, because the mean of its divisors is an integer number (40127659040).

Almost surely, 2^447104111961 is an apocalyptic number.

It is an amenable number.

447104111961 is a deficient number, since it is larger than the sum of its proper divisors (194938432679).

447104111961 is a wasteful number, since it uses less digits than its factorization.

447104111961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 837456.

The product of its (nonzero) digits is 24192, while the sum is 39.

The spelling of 447104111961 in words is "four hundred forty-seven billion, one hundred four million, one hundred eleven thousand, nine hundred sixty-one".