447329149 has 4 divisors (see below), whose sum is σ = 459419164. Its totient is φ = 435239136.

The previous prime is 447329137. The next prime is 447329159. The reversal of 447329149 is 941923744.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 312653124 + 134676025 = 17682^2 + 11605^2 .

It is a cyclic number.

It is not a de Polignac number, because 447329149 - 2¹³ = 447320957 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 (447329159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6044952 + ... + 6045025.

It is an arithmetic number, because the mean of its divisors is an integer number (114854791).

Almost surely, 2^447329149 is an apocalyptic number.

It is an amenable number.

447329149 is a deficient number, since it is larger than the sum of its proper divisors (12090015).

447329149 is a wasteful number, since it uses less digits than its factorization.

447329149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12090014.

The product of its digits is 217728, while the sum is 43.

The square root of 447329149 is about 21150.1571861771. The cubic root of 447329149 is about 764.7903502283.

The spelling of 447329149 in words is "four hundred forty-seven million, three hundred twenty-nine thousand, one hundred forty-nine".