447969743 has 16 divisors (see below), whose sum is σ = 500645376. Its totient is φ = 398170080.

The previous prime is 447969701. The next prime is 447969779. The reversal of 447969743 is 347969744.

It is a cyclic number.

It is not a de Polignac number, because 447969743 - 2¹⁶ = 447904207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447969793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34046 + ... + 45332.

It is an arithmetic number, because the mean of its divisors is an integer number (31290336).

Almost surely, 2^447969743 is an apocalyptic number.

447969743 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

447969743 is a deficient number, since it is larger than the sum of its proper divisors (52675633).

447969743 is a wasteful number, since it uses less digits than its factorization.

447969743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11414.

The product of its digits is 4572288, while the sum is 53.

The square root of 447969743 is about 21165.2957220068. The cubic root of 447969743 is about 765.1552466620.

Subtracting from 447969743 its reverse (347969744), we obtain a palindrome (99999999).

The spelling of 447969743 in words is "four hundred forty-seven million, nine hundred sixty-nine thousand, seven hundred forty-three".