447485135953 has 2 divisors, whose sum is σ = 447485135954. Its totient is φ = 447485135952.

The previous prime is 447485135939. The next prime is 447485135987. The reversal of 447485135953 is 359531584744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 396834482704 + 50650653249 = 629948^2 + 225057^2 .

It is a cyclic number.

It is not a de Polignac number, because 447485135953 - 2²⁹ = 446948265041 is a prime.

It is not a weakly prime, because it can be changed into another prime (447485135453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223742567976 + 223742567977.

It is an arithmetic number, because the mean of its divisors is an integer number (223742567977).

Almost surely, 2^447485135953 is an apocalyptic number.

It is an amenable number.

447485135953 is a deficient number, since it is larger than the sum of its proper divisors (1).

447485135953 is an equidigital number, since it uses as much as digits as its factorization.

447485135953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 58.

The spelling of 447485135953 in words is "four hundred forty-seven billion, four hundred eighty-five million, one hundred thirty-five thousand, nine hundred fifty-three".