13662146623 has 2 divisors, whose sum is σ = 13662146624. Its totient is φ = 13662146622.

The previous prime is 13662146599. The next prime is 13662146627. The reversal of 13662146623 is 32664126631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13662146623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13662146627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831073311 + 6831073312.

It is an arithmetic number, because the mean of its divisors is an integer number (6831073312).

Almost surely, 2^13662146623 is an apocalyptic number.

13662146623 is a deficient number, since it is larger than the sum of its proper divisors (1).

13662146623 is an equidigital number, since it uses as much as digits as its factorization.

13662146623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 40.

The spelling of 13662146623 in words is "thirteen billion, six hundred sixty-two million, one hundred forty-six thousand, six hundred twenty-three".