447834749 has 2 divisors, whose sum is σ = 447834750. Its totient is φ = 447834748.

The previous prime is 447834727. The next prime is 447834811. The reversal of 447834749 is 947438744.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 437562724 + 10272025 = 20918^2 + 3205^2 .

It is a cyclic number.

It is not a de Polignac number, because 447834749 - 2²⁸ = 179399293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 447834697 and 447834706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (447834719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 223917374 + 223917375.

It is an arithmetic number, because the mean of its divisors is an integer number (223917375).

Almost surely, 2^447834749 is an apocalyptic number.

It is an amenable number.

447834749 is a deficient number, since it is larger than the sum of its proper divisors (1).

447834749 is an equidigital number, since it uses as much as digits as its factorization.

447834749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2709504, while the sum is 50.

The square root of 447834749 is about 21162.1064405224. The cubic root of 447834749 is about 765.0783800534.

The spelling of 447834749 in words is "four hundred forty-seven million, eight hundred thirty-four thousand, seven hundred forty-nine".