12413692481 has 2 divisors, whose sum is σ = 12413692482. Its totient is φ = 12413692480.

The previous prime is 12413692477. The next prime is 12413692493. The reversal of 12413692481 is 18429631421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9584410000 + 2829282481 = 97900^2 + 53191^2 .

It is an emirp because it is prime and its reverse (18429631421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12413692481 - 2² = 12413692477 is a prime.

It is a super-2 number, since 2×12413692481² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12413691481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6206846240 + 6206846241.

It is an arithmetic number, because the mean of its divisors is an integer number (6206846241).

Almost surely, 2^12413692481 is an apocalyptic number.

It is an amenable number.

12413692481 is a deficient number, since it is larger than the sum of its proper divisors (1).

12413692481 is an equidigital number, since it uses as much as digits as its factorization.

12413692481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 41.

The spelling of 12413692481 in words is "twelve billion, four hundred thirteen million, six hundred ninety-two thousand, four hundred eighty-one".