452749309 has 8 divisors (see below), whose sum is σ = 477299840. Its totient is φ = 428270976.

The previous prime is 452749307. The next prime is 452749331. The reversal of 452749309 is 903947254.

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

It is a cyclic number.

It is not a de Polignac number, because 452749309 - 2¹ = 452749307 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 (452749307) 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, 4917 + ... + 30490.

It is an arithmetic number, because the mean of its divisors is an integer number (59662480).

Almost surely, 2^452749309 is an apocalyptic number.

It is an amenable number.

452749309 is a deficient number, since it is larger than the sum of its proper divisors (24550531).

452749309 is a wasteful number, since it uses less digits than its factorization.

452749309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36099.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 452749309 is about 21277.9065934598. The cubic root of 452749309 is about 767.8668733776.

The spelling of 452749309 in words is "four hundred fifty-two million, seven hundred forty-nine thousand, three hundred nine".