12574773689 has 2 divisors, whose sum is σ = 12574773690. Its totient is φ = 12574773688.

The previous prime is 12574773619. The next prime is 12574773749. The reversal of 12574773689 is 98637747521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6782346025 + 5792427664 = 82355^2 + 76108^2 .

It is an emirp because it is prime and its reverse (98637747521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12574773689 is a prime.

It is not a weakly prime, because it can be changed into another prime (12574773619) 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 as a sum of consecutive naturals, namely, 6287386844 + 6287386845.

It is an arithmetic number, because the mean of its divisors is an integer number (6287386845).

Almost surely, 2^12574773689 is an apocalyptic number.

It is an amenable number.

12574773689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12574773689 is an equidigital number, since it uses as much as digits as its factorization.

12574773689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 59.

The spelling of 12574773689 in words is "twelve billion, five hundred seventy-four million, seven hundred seventy-three thousand, six hundred eighty-nine".