447660774434 has 16 divisors (see below), whose sum is σ = 689637344760. Its totient is φ = 217809728640.

The previous prime is 447660774419. The next prime is 447660774479. The reversal of 447660774434 is 434477066744.

It can be written as a sum of positive squares in 4 ways, for example, as 253799326225 + 193861448209 = 503785^2 + 440297^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 447660774434.

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, 6985169 + ... + 7048964.

Almost surely, 2^447660774434 is an apocalyptic number.

447660774434 is a deficient number, since it is larger than the sum of its proper divisors (241976570326).

447660774434 is a wasteful number, since it uses less digits than its factorization.

447660774434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14034565.

The product of its (nonzero) digits is 37933056, while the sum is 56.

The spelling of 447660774434 in words is "four hundred forty-seven billion, six hundred sixty million, seven hundred seventy-four thousand, four hundred thirty-four".