447547115056646 has 16 divisors (see below), whose sum is σ = 744762533532480. Its totient is φ = 199982532151080.

The previous prime is 447547115056631. The next prime is 447547115056721. The reversal of 447547115056646 is 646650511745744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172398733316 + ... + 172398735911.

It is an arithmetic number, because the mean of its divisors is an integer number (46547658345780).

Almost surely, 2^{447547115056646} is an apocalyptic number.

447547115056646 is a deficient number, since it is larger than the sum of its proper divisors (297215418475834).

447547115056646 is a wasteful number, since it uses less digits than its factorization.

447547115056646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344797469299.

The product of its (nonzero) digits is 338688000, while the sum is 65.

The spelling of 447547115056646 in words is "four hundred forty-seven trillion, five hundred forty-seven billion, one hundred fifteen million, fifty-six thousand, six hundred forty-six".