12467731663 has 2 divisors, whose sum is σ = 12467731664. Its totient is φ = 12467731662.

The previous prime is 12467731651. The next prime is 12467731669. The reversal of 12467731663 is 36613776421.

It is a strong prime.

It is an emirp because it is prime and its reverse (36613776421) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12467731663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12467731669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6233865831 + 6233865832.

It is an arithmetic number, because the mean of its divisors is an integer number (6233865832).

Almost surely, 2^12467731663 is an apocalyptic number.

12467731663 is a deficient number, since it is larger than the sum of its proper divisors (1).

12467731663 is an equidigital number, since it uses as much as digits as its factorization.

12467731663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The spelling of 12467731663 in words is "twelve billion, four hundred sixty-seven million, seven hundred thirty-one thousand, six hundred sixty-three".