447925394609 has 32 divisors (see below), whose sum is σ = 562709790720. Its totient is φ = 346381963200.

The previous prime is 447925394603. The next prime is 447925394633. The reversal of 447925394609 is 906493529744.

It is a de Polignac number, because none of the positive numbers 2^k-447925394609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447925394603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5350544 + ... + 5433614.

It is an arithmetic number, because the mean of its divisors is an integer number (17584680960).

Almost surely, 2^447925394609 is an apocalyptic number.

It is an amenable number.

447925394609 is a deficient number, since it is larger than the sum of its proper divisors (114784396111).

447925394609 is a wasteful number, since it uses less digits than its factorization.

447925394609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83621.

The product of its (nonzero) digits is 58786560, while the sum is 62.

The spelling of 447925394609 in words is "four hundred forty-seven billion, nine hundred twenty-five million, three hundred ninety-four thousand, six hundred nine".