447573524451257 has 2 divisors, whose sum is σ = 447573524451258. Its totient is φ = 447573524451256.

The previous prime is 447573524451239. The next prime is 447573524451377. The reversal of 447573524451257 is 752154425375744.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442541021882281 + 5032502568976 = 21036659^2 + 2243324^2 .

It is a cyclic number.

It is not a de Polignac number, because 447573524451257 - 2¹⁰ = 447573524450233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447573524451193 and 447573524451202.

It is not a weakly prime, because it can be changed into another prime (447573524451457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223786762225628 + 223786762225629.

It is an arithmetic number, because the mean of its divisors is an integer number (223786762225629).

Almost surely, 2^{447573524451257} is an apocalyptic number.

It is an amenable number.

447573524451257 is a deficient number, since it is larger than the sum of its proper divisors (1).

447573524451257 is an equidigital number, since it uses as much as digits as its factorization.

447573524451257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 658560000, while the sum is 65.

The spelling of 447573524451257 in words is "four hundred forty-seven trillion, five hundred seventy-three billion, five hundred twenty-four million, four hundred fifty-one thousand, two hundred fifty-seven".