453821069 has 12 divisors (see below), whose sum is σ = 517840596. Its totient is φ = 393994752.

The previous prime is 453821063. The next prime is 453821077. The reversal of 453821069 is 960128354.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 42745444 + 411075625 = 6538^2 + 20275^2 .

It is not a de Polignac number, because 453821069 - 2⁸ = 453820813 is a prime.

It is a super-2 number, since 2×453821069² = 411907125336605522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (453821063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 315977 + ... + 317409.

It is an arithmetic number, because the mean of its divisors is an integer number (43153383).

Almost surely, 2^453821069 is an apocalyptic number.

It is an amenable number.

453821069 is a deficient number, since it is larger than the sum of its proper divisors (64019527).

453821069 is an equidigital number, since it uses as much as digits as its factorization.

453821069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2896 (or 1463 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 453821069 is about 21303.0765149074. The cubic root of 453821069 is about 768.4723007462.

The spelling of 453821069 in words is "four hundred fifty-three million, eight hundred twenty-one thousand, sixty-nine".