447806450553 has 16 divisors (see below), whose sum is σ = 744405528576. Its totient is φ = 232626727440.

The previous prime is 447806450537. The next prime is 447806450561. The reversal of 447806450553 is 355054608744.

It is not a de Polignac number, because 447806450553 - 2⁴ = 447806450537 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 447806450496 and 447806450505.

It is not an unprimeable number, because it can be changed into a prime (447806450513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 969277801 + ... + 969278262.

It is an arithmetic number, because the mean of its divisors is an integer number (46525345536).

Almost surely, 2^447806450553 is an apocalyptic number.

It is an amenable number.

447806450553 is a deficient number, since it is larger than the sum of its proper divisors (296599078023).

447806450553 is a wasteful number, since it uses less digits than its factorization.

447806450553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938556084.

The product of its (nonzero) digits is 8064000, while the sum is 51.

The spelling of 447806450553 in words is "four hundred forty-seven billion, eight hundred six million, four hundred fifty thousand, five hundred fifty-three".