447472241311717 has 2 divisors, whose sum is σ = 447472241311718. Its totient is φ = 447472241311716.

The previous prime is 447472241311673. The next prime is 447472241311723. The reversal of 447472241311717 is 717113142274744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 350252759631681 + 97219481680036 = 18715041^2 + 9859994^2 .

It is a cyclic number.

It is not a de Polignac number, because 447472241311717 - 2²⁷ = 447472107093989 is a prime.

It is a super-2 number, since 2×447472241311717² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447472241311217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223736120655858 + 223736120655859.

It is an arithmetic number, because the mean of its divisors is an integer number (223736120655859).

Almost surely, 2^{447472241311717} is an apocalyptic number.

It is an amenable number.

447472241311717 is a deficient number, since it is larger than the sum of its proper divisors (1).

447472241311717 is an equidigital number, since it uses as much as digits as its factorization.

447472241311717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7375872, while the sum is 55.

The spelling of 447472241311717 in words is "four hundred forty-seven trillion, four hundred seventy-two billion, two hundred forty-one million, three hundred eleven thousand, seven hundred seventeen".