12346257461 has 2 divisors, whose sum is σ = 12346257462. Its totient is φ = 12346257460.

The previous prime is 12346257403. The next prime is 12346257467. The reversal of 12346257461 is 16475264321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8298116836 + 4048140625 = 91094^2 + 63625^2 .

It is an emirp because it is prime and its reverse (16475264321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12346257461 - 2¹⁰ = 12346256437 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 (12346257467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173128730 + 6173128731.

It is an arithmetic number, because the mean of its divisors is an integer number (6173128731).

Almost surely, 2^12346257461 is an apocalyptic number.

It is an amenable number.

12346257461 is a deficient number, since it is larger than the sum of its proper divisors (1).

12346257461 is an equidigital number, since it uses as much as digits as its factorization.

12346257461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The spelling of 12346257461 in words is "twelve billion, three hundred forty-six million, two hundred fifty-seven thousand, four hundred sixty-one".