452642969 has 4 divisors (see below), whose sum is σ = 479269044. Its totient is φ = 426016896.

The previous prime is 452642959. The next prime is 452642989. The reversal of 452642969 is 969246254.

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 388562944 + 64080025 = 19712^2 + 8005^2 .

It is a cyclic number.

It is not a de Polignac number, because 452642969 - 2⁸ = 452642713 is a prime.

It is a super-2 number, since 2×452642969² = 409771314770269922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (452642959) 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, 13313012 + ... + 13313045.

It is an arithmetic number, because the mean of its divisors is an integer number (119817261).

Almost surely, 2^452642969 is an apocalyptic number.

It is an amenable number.

452642969 is a deficient number, since it is larger than the sum of its proper divisors (26626075).

452642969 is a wasteful number, since it uses less digits than its factorization.

452642969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26626074.

The product of its digits is 933120, while the sum is 47.

The square root of 452642969 is about 21275.4076106664. The cubic root of 452642969 is about 767.8067508069.

The spelling of 452642969 in words is "four hundred fifty-two million, six hundred forty-two thousand, nine hundred sixty-nine".