12451434641 has 2 divisors, whose sum is σ = 12451434642. Its totient is φ = 12451434640.

The previous prime is 12451434623. The next prime is 12451434647. The reversal of 12451434641 is 14643415421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8121794641 + 4329640000 = 90121^2 + 65800^2 .

It is a cyclic number.

It is not a de Polignac number, because 12451434641 - 2¹⁸ = 12451172497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12451434647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225717320 + 6225717321.

It is an arithmetic number, because the mean of its divisors is an integer number (6225717321).

Almost surely, 2^12451434641 is an apocalyptic number.

It is an amenable number.

12451434641 is a deficient number, since it is larger than the sum of its proper divisors (1).

12451434641 is an equidigital number, since it uses as much as digits as its factorization.

12451434641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46080, while the sum is 35.

The spelling of 12451434641 in words is "twelve billion, four hundred fifty-one million, four hundred thirty-four thousand, six hundred forty-one".