12452780591 has 2 divisors, whose sum is σ = 12452780592. Its totient is φ = 12452780590.

The previous prime is 12452780579. The next prime is 12452780603. The reversal of 12452780591 is 19508725421.

It is a balanced prime because it is at equal distance from previous prime (12452780579) and next prime (12452780603).

It is an emirp because it is prime and its reverse (19508725421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12452780591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12452780491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226390295 + 6226390296.

It is an arithmetic number, because the mean of its divisors is an integer number (6226390296).

Almost surely, 2^12452780591 is an apocalyptic number.

12452780591 is a deficient number, since it is larger than the sum of its proper divisors (1).

12452780591 is an equidigital number, since it uses as much as digits as its factorization.

12452780591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 12452780591 in words is "twelve billion, four hundred fifty-two million, seven hundred eighty thousand, five hundred ninety-one".