447271400121 has 16 divisors (see below), whose sum is σ = 733983836544. Its totient is φ = 235923375744.

The previous prime is 447271400071. The next prime is 447271400129. The reversal of 447271400121 is 121004172744.

It is not a de Polignac number, because 447271400121 - 2¹¹ = 447271398073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447271400129) 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, 819178116 + ... + 819178661.

It is an arithmetic number, because the mean of its divisors is an integer number (45873989784).

Almost surely, 2^447271400121 is an apocalyptic number.

It is an amenable number.

447271400121 is a deficient number, since it is larger than the sum of its proper divisors (286712436423).

447271400121 is a wasteful number, since it uses less digits than its factorization.

447271400121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638356800.

The product of its (nonzero) digits is 12544, while the sum is 33.

Adding to 447271400121 its reverse (121004172744), we get a palindrome (568275572865).

The spelling of 447271400121 in words is "four hundred forty-seven billion, two hundred seventy-one million, four hundred thousand, one hundred twenty-one".