10343443391 has 2 divisors, whose sum is σ = 10343443392. Its totient is φ = 10343443390.

The previous prime is 10343443339. The next prime is 10343443393. The reversal of 10343443391 is 19334434301.

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-10343443391 is a prime.

Together with 10343443393, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10343443393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5171721695 + 5171721696.

It is an arithmetic number, because the mean of its divisors is an integer number (5171721696).

Almost surely, 2^10343443391 is an apocalyptic number.

10343443391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10343443391 is an equidigital number, since it uses as much as digits as its factorization.

10343443391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

Adding to 10343443391 its reverse (19334434301), we get a palindrome (29677877692).

The spelling of 10343443391 in words is "ten billion, three hundred forty-three million, four hundred forty-three thousand, three hundred ninety-one".