13410216643 has 2 divisors, whose sum is σ = 13410216644. Its totient is φ = 13410216642.

The previous prime is 13410216601. The next prime is 13410216653. The reversal of 13410216643 is 34661201431.

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-13410216643 is a prime.

It is not a weakly prime, because it can be changed into another prime (13410216653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6705108321 + 6705108322.

It is an arithmetic number, because the mean of its divisors is an integer number (6705108322).

Almost surely, 2^13410216643 is an apocalyptic number.

13410216643 is a deficient number, since it is larger than the sum of its proper divisors (1).

13410216643 is an equidigital number, since it uses as much as digits as its factorization.

13410216643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 13410216643 in words is "thirteen billion, four hundred ten million, two hundred sixteen thousand, six hundred forty-three".