449073069 has 4 divisors (see below), whose sum is σ = 598764096. Its totient is φ = 299382044.

The previous prime is 449073067. The next prime is 449073073. The reversal of 449073069 is 960370944.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 449073069 - 2¹ = 449073067 is a prime.

It is a super-2 number, since 2×449073069² = 403333242602157522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 449073069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449073067) 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, 74845509 + ... + 74845514.

It is an arithmetic number, because the mean of its divisors is an integer number (149691024).

Almost surely, 2^449073069 is an apocalyptic number.

It is an amenable number.

449073069 is a deficient number, since it is larger than the sum of its proper divisors (149691027).

449073069 is a wasteful number, since it uses less digits than its factorization.

449073069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149691026.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 449073069 is about 21191.3441999322. The cubic root of 449073069 is about 765.7829107333.

The spelling of 449073069 in words is "four hundred forty-nine million, seventy-three thousand, sixty-nine".