447740711447 has 2 divisors, whose sum is σ = 447740711448. Its totient is φ = 447740711446.

The previous prime is 447740711417. The next prime is 447740711471. The reversal of 447740711447 is 744117047744.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-447740711447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447740711395 and 447740711404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447740711417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223870355723 + 223870355724.

It is an arithmetic number, because the mean of its divisors is an integer number (223870355724).

Almost surely, 2^447740711447 is an apocalyptic number.

447740711447 is a deficient number, since it is larger than the sum of its proper divisors (1).

447740711447 is an equidigital number, since it uses as much as digits as its factorization.

447740711447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2458624, while the sum is 50.

The spelling of 447740711447 in words is "four hundred forty-seven billion, seven hundred forty million, seven hundred eleven thousand, four hundred forty-seven".