452649844909 has 2 divisors, whose sum is σ = 452649844910. Its totient is φ = 452649844908.

The previous prime is 452649844859. The next prime is 452649844949. The reversal of 452649844909 is 909448946254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 363672920809 + 88976924100 = 603053^2 + 298290^2 .

It is a cyclic number.

It is not a de Polignac number, because 452649844909 - 2³⁵ = 418290106541 is a prime.

It is a super-2 number, since 2×452649844909² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452649844949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226324922454 + 226324922455.

It is an arithmetic number, because the mean of its divisors is an integer number (226324922455).

Almost surely, 2^452649844909 is an apocalyptic number.

It is an amenable number.

452649844909 is a deficient number, since it is larger than the sum of its proper divisors (1).

452649844909 is an equidigital number, since it uses as much as digits as its factorization.

452649844909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89579520, while the sum is 64.

The spelling of 452649844909 in words is "four hundred fifty-two billion, six hundred forty-nine million, eight hundred forty-four thousand, nine hundred nine".