68910943 has 2 divisors, whose sum is σ = 68910944. Its totient is φ = 68910942.

The previous prime is 68910913. The next prime is 68910949. The reversal of 68910943 is 34901986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68910943 - 2⁹ = 68910431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68910896 and 68910905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68910949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34455471 + 34455472.

It is an arithmetic number, because the mean of its divisors is an integer number (34455472).

Almost surely, 2^68910943 is an apocalyptic number.

68910943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68910943 is an equidigital number, since it uses as much as digits as its factorization.

68910943 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 40.

The square root of 68910943 is about 8301.2615306350. The cubic root of 68910943 is about 409.9800565354.

The spelling of 68910943 in words is "sixty-eight million, nine hundred ten thousand, nine hundred forty-three".