447321620427 has 32 divisors (see below), whose sum is σ = 676104468480. Its totient is φ = 260581681920.

The previous prime is 447321620419. The next prime is 447321620437. The reversal of 447321620427 is 724026123744.

It is not a de Polignac number, because 447321620427 - 2³ = 447321620419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447321620407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 834618 + ... + 1261439.

It is an arithmetic number, because the mean of its divisors is an integer number (21128264640).

Almost surely, 2^447321620427 is an apocalyptic number.

447321620427 is a deficient number, since it is larger than the sum of its proper divisors (228782848053).

447321620427 is a wasteful number, since it uses less digits than its factorization.

447321620427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096323.

The product of its (nonzero) digits is 451584, while the sum is 42.

The spelling of 447321620427 in words is "four hundred forty-seven billion, three hundred twenty-one million, six hundred twenty thousand, four hundred twenty-seven".