447939734089 has 3 divisors (see below), whose sum is σ = 447940403373. Its totient is φ = 447939064806.

The previous prime is 447939734051. The next prime is 447939734111. The reversal of 447939734089 is 980437939744.

The square root of 447939734089 is 669283.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 447939734089 - 2¹¹ = 447939732041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447939738089) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 334642 + ... + 1003924.

It is an arithmetic number, because the mean of its divisors is an integer number (149313467791).

Almost surely, 2^447939734089 is an apocalyptic number.

447939734089 is the 669283-rd square number.

447939734089 is the 334642-nd centered octagonal number.

It is an amenable number.

447939734089 is a deficient number, since it is larger than the sum of its proper divisors (669284).

447939734089 is an frugal number, since it uses more digits than its factorization.

447939734089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338566 (or 669283 counting only the distinct ones).

The product of its (nonzero) digits is 164602368, while the sum is 67.

The spelling of 447939734089 in words is "four hundred forty-seven billion, nine hundred thirty-nine million, seven hundred thirty-four thousand, eighty-nine".