447666456430753 has 8 divisors (see below), whose sum is σ = 523516919148608. Its totient is φ = 374790521662704.

The previous prime is 447666456430729. The next prime is 447666456430763. The reversal of 447666456430753 is 357034654666744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-447666456430753 is a prime.

It is a super-3 number, since 3×447666456430753³ (a number of 45 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (447666456430763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743631987126 + ... + 743631987727.

It is an arithmetic number, because the mean of its divisors is an integer number (65439614893576).

Almost surely, 2^{447666456430753} is an apocalyptic number.

447666456430753 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

447666456430753 is a deficient number, since it is larger than the sum of its proper divisors (75850462717855).

447666456430753 is a wasteful number, since it uses less digits than its factorization.

447666456430753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487263974903.

The product of its (nonzero) digits is 3657830400, while the sum is 70.

The spelling of 447666456430753 in words is "four hundred forty-seven trillion, six hundred sixty-six billion, four hundred fifty-six million, four hundred thirty thousand, seven hundred fifty-three".