12463111657 has 2 divisors, whose sum is σ = 12463111658. Its totient is φ = 12463111656.

The previous prime is 12463111651. The next prime is 12463111669. The reversal of 12463111657 is 75611136421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7113066921 + 5350044736 = 84339^2 + 73144^2 .

It is an emirp because it is prime and its reverse (75611136421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12463111657 - 2²³ = 12454723049 is a prime.

It is not a weakly prime, because it can be changed into another prime (12463111651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6231555828 + 6231555829.

It is an arithmetic number, because the mean of its divisors is an integer number (6231555829).

Almost surely, 2^12463111657 is an apocalyptic number.

It is an amenable number.

12463111657 is a deficient number, since it is larger than the sum of its proper divisors (1).

12463111657 is an equidigital number, since it uses as much as digits as its factorization.

12463111657 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The spelling of 12463111657 in words is "twelve billion, four hundred sixty-three million, one hundred eleven thousand, six hundred fifty-seven".