445472367971 has 4 divisors (see below), whose sum is σ = 452121209352. Its totient is φ = 438823526592.

The previous prime is 445472367947. The next prime is 445472368027. The reversal of 445472367971 is 179763274544.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445472367971 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445472367971.

It is not an unprimeable number, because it can be changed into a prime (445472367911) 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, 3324420590 + ... + 3324420723.

It is an arithmetic number, because the mean of its divisors is an integer number (113030302338).

Almost surely, 2^445472367971 is an apocalyptic number.

445472367971 is a deficient number, since it is larger than the sum of its proper divisors (6648841381).

445472367971 is an equidigital number, since it uses as much as digits as its factorization.

445472367971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6648841380.

The product of its digits is 35562240, while the sum is 59.

The spelling of 445472367971 in words is "four hundred forty-five billion, four hundred seventy-two million, three hundred sixty-seven thousand, nine hundred seventy-one".