68439383 has 2 divisors, whose sum is σ = 68439384. Its totient is φ = 68439382.

The previous prime is 68439367. The next prime is 68439403. The reversal of 68439383 is 38393486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68439383 - 2⁴ = 68439367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68439313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34219691 + 34219692.

It is an arithmetic number, because the mean of its divisors is an integer number (34219692).

Almost surely, 2^68439383 is an apocalyptic number.

68439383 is a deficient number, since it is larger than the sum of its proper divisors (1).

68439383 is an equidigital number, since it uses as much as digits as its factorization.

68439383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The square root of 68439383 is about 8272.8098612261. The cubic root of 68439383 is about 409.0427459543.

The spelling of 68439383 in words is "sixty-eight million, four hundred thirty-nine thousand, three hundred eighty-three".