68600488409 has 2 divisors, whose sum is σ = 68600488410. Its totient is φ = 68600488408.

The previous prime is 68600488403. The next prime is 68600488421. The reversal of 68600488409 is 90488400686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68331528409 + 268960000 = 261403^2 + 16400^2 .

It is a cyclic number.

It is not a de Polignac number, because 68600488409 - 2¹² = 68600484313 is a prime.

It is not a weakly prime, because it can be changed into another prime (68600488403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34300244204 + 34300244205.

It is an arithmetic number, because the mean of its divisors is an integer number (34300244205).

Almost surely, 2^68600488409 is an apocalyptic number.

It is an amenable number.

68600488409 is a deficient number, since it is larger than the sum of its proper divisors (1).

68600488409 is an equidigital number, since it uses as much as digits as its factorization.

68600488409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 68600488409 in words is "sixty-eight billion, six hundred million, four hundred eighty-eight thousand, four hundred nine".