447665122993 has 64 divisors (see below), whose sum is σ = 527859763200. Its totient is φ = 375162762240.

The previous prime is 447665122969. The next prime is 447665122999. The reversal of 447665122993 is 399221566744.

It is a cyclic number.

It is not a de Polignac number, because 447665122993 - 2⁹ = 447665122481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (447665122999) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1181174278 + ... + 1181174656.

It is an arithmetic number, because the mean of its divisors is an integer number (8247808800).

Almost surely, 2^447665122993 is an apocalyptic number.

It is an amenable number.

447665122993 is a deficient number, since it is larger than the sum of its proper divisors (80194640207).

447665122993 is a wasteful number, since it uses less digits than its factorization.

447665122993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030.

The product of its digits is 19595520, while the sum is 58.

The spelling of 447665122993 in words is "four hundred forty-seven billion, six hundred sixty-five million, one hundred twenty-two thousand, nine hundred ninety-three".