68083009 has 2 divisors, whose sum is σ = 68083010. Its totient is φ = 68083008.

The previous prime is 68082979. The next prime is 68083033. The reversal of 68083009 is 90038086.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43362225 + 24720784 = 6585^2 + 4972^2 .

It is a cyclic number.

It is not a de Polignac number, because 68083009 - 2¹⁷ = 67951937 is a prime.

It is a super-2 number, since 2×68083009² = 9270592228988162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (68080009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34041504 + 34041505.

It is an arithmetic number, because the mean of its divisors is an integer number (34041505).

Almost surely, 2^68083009 is an apocalyptic number.

It is an amenable number.

68083009 is a deficient number, since it is larger than the sum of its proper divisors (1).

68083009 is an equidigital number, since it uses as much as digits as its factorization.

68083009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 68083009 is about 8251.2428760763. The cubic root of 68083009 is about 408.3315280035.

The spelling of 68083009 in words is "sixty-eight million, eighty-three thousand, nine".