68539483 has 2 divisors, whose sum is σ = 68539484. Its totient is φ = 68539482.

The previous prime is 68539477. The next prime is 68539501. The reversal of 68539483 is 38493586.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68539483 is a prime.

It is not a weakly prime, because it can be changed into another prime (68539433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34269741 + 34269742.

It is an arithmetic number, because the mean of its divisors is an integer number (34269742).

Almost surely, 2^68539483 is an apocalyptic number.

68539483 is a deficient number, since it is larger than the sum of its proper divisors (1).

68539483 is an equidigital number, since it uses as much as digits as its factorization.

68539483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 68539483 is about 8278.8575902717. The cubic root of 68539483 is about 409.2420718932.

The spelling of 68539483 in words is "sixty-eight million, five hundred thirty-nine thousand, four hundred eighty-three".