447676670411421 has 16 divisors (see below), whose sum is σ = 651167055894528. Its totient is φ = 271318781754800.

The previous prime is 447676670411417. The next prime is 447676670411429. The reversal of 447676670411421 is 124114076676744.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 447676670411421 - 2² = 447676670411417 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447676670411429) 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, 12478900 + ... + 32420306.

It is an arithmetic number, because the mean of its divisors is an integer number (40697940993408).

Almost surely, 2^{447676670411421} is an apocalyptic number.

It is an amenable number.

447676670411421 is a deficient number, since it is larger than the sum of its proper divisors (203490385483107).

447676670411421 is a wasteful number, since it uses less digits than its factorization.

447676670411421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621712.

The product of its (nonzero) digits is 37933056, while the sum is 60.

The spelling of 447676670411421 in words is "four hundred forty-seven trillion, six hundred seventy-six billion, six hundred seventy million, four hundred eleven thousand, four hundred twenty-one".