12418423651 has 2 divisors, whose sum is σ = 12418423652. Its totient is φ = 12418423650.

The previous prime is 12418423639. The next prime is 12418423657. The reversal of 12418423651 is 15632481421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12418423651 - 2⁹ = 12418423139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12418423651.

It is not a weakly prime, because it can be changed into another prime (12418423657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209211825 + 6209211826.

It is an arithmetic number, because the mean of its divisors is an integer number (6209211826).

Almost surely, 2^12418423651 is an apocalyptic number.

12418423651 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418423651 is an equidigital number, since it uses as much as digits as its factorization.

12418423651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 37.

The spelling of 12418423651 in words is "twelve billion, four hundred eighteen million, four hundred twenty-three thousand, six hundred fifty-one".