447969696961 has 4 divisors (see below), whose sum is σ = 447971040000. Its totient is φ = 447968353924.

The previous prime is 447969696953. The next prime is 447969696973. The reversal of 447969696961 is 169696969744.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 447969696961 - 2³ = 447969696953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (447969693961) 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, 254040 + ... + 980038.

It is an arithmetic number, because the mean of its divisors is an integer number (111992760000).

Almost surely, 2^447969696961 is an apocalyptic number.

It is an amenable number.

447969696961 is a deficient number, since it is larger than the sum of its proper divisors (1343039).

447969696961 is an equidigital number, since it uses as much as digits as its factorization.

447969696961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343038.

The product of its digits is 952342272, while the sum is 76.

The spelling of 447969696961 in words is "four hundred forty-seven billion, nine hundred sixty-nine million, six hundred ninety-six thousand, nine hundred sixty-one".