452124646439 has 4 divisors (see below), whose sum is σ = 452127163224. Its totient is φ = 452122129656.

The previous prime is 452124646427. The next prime is 452124646469. The reversal of 452124646439 is 934646421254.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452124646439 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 (452124646469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966332 + ... + 1355745.

It is an arithmetic number, because the mean of its divisors is an integer number (113031790806).

Almost surely, 2^452124646439 is an apocalyptic number.

452124646439 is a deficient number, since it is larger than the sum of its proper divisors (2516785).

452124646439 is a wasteful number, since it uses less digits than its factorization.

452124646439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516784.

The product of its digits is 4976640, while the sum is 50.

The spelling of 452124646439 in words is "four hundred fifty-two billion, one hundred twenty-four million, six hundred forty-six thousand, four hundred thirty-nine".