10643310343691 has 2 divisors, whose sum is σ = 10643310343692. Its totient is φ = 10643310343690.

The previous prime is 10643310343637. The next prime is 10643310343709. The reversal of 10643310343691 is 19634301334601.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10643310343691 is a prime.

It is a super-2 number, since 2×10643310343691² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10643310343891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321655171845 + 5321655171846.

It is an arithmetic number, because the mean of its divisors is an integer number (5321655171846).

Almost surely, 2^{10643310343691} is an apocalyptic number.

10643310343691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643310343691 is an equidigital number, since it uses as much as digits as its factorization.

10643310343691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 419904, while the sum is 44.

The spelling of 10643310343691 in words is "ten trillion, six hundred forty-three billion, three hundred ten million, three hundred forty-three thousand, six hundred ninety-one".