452939680789 has 4 divisors (see below), whose sum is σ = 461485712556. Its totient is φ = 444393649024.

The previous prime is 452939680783. The next prime is 452939680793. The reversal of 452939680789 is 987086939254.

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 224017623025 + 228922057764 = 473305^2 + 478458^2 .

It is a cyclic number.

It is not a de Polignac number, because 452939680789 - 2²³ = 452931292181 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 (452939680783) 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, 4273015804 + ... + 4273015909.

It is an arithmetic number, because the mean of its divisors is an integer number (115371428139).

Almost surely, 2^452939680789 is an apocalyptic number.

It is an amenable number.

452939680789 is a deficient number, since it is larger than the sum of its proper divisors (8546031767).

452939680789 is an equidigital number, since it uses as much as digits as its factorization.

452939680789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8546031766.

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 452939680789 in words is "four hundred fifty-two billion, nine hundred thirty-nine million, six hundred eighty thousand, seven hundred eighty-nine".