12251441693 has 2 divisors, whose sum is σ = 12251441694. Its totient is φ = 12251441692.

The previous prime is 12251441659. The next prime is 12251441701. The reversal of 12251441693 is 39614415221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9941485849 + 2309955844 = 99707^2 + 48062^2 .

It is a cyclic number.

It is not a de Polignac number, because 12251441693 - 2¹⁶ = 12251376157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12251441593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125720846 + 6125720847.

It is an arithmetic number, because the mean of its divisors is an integer number (6125720847).

Almost surely, 2^12251441693 is an apocalyptic number.

It is an amenable number.

12251441693 is a deficient number, since it is larger than the sum of its proper divisors (1).

12251441693 is an equidigital number, since it uses as much as digits as its factorization.

12251441693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 38.

The spelling of 12251441693 in words is "twelve billion, two hundred fifty-one million, four hundred forty-one thousand, six hundred ninety-three".