67204140313 has 2 divisors, whose sum is σ = 67204140314. Its totient is φ = 67204140312.

The previous prime is 67204140301. The next prime is 67204140331. The reversal of 67204140313 is 31304140276.

Together with next prime (67204140331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66673436944 + 530703369 = 258212^2 + 23037^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67204140313 is a prime.

It is not a weakly prime, because it can be changed into another prime (67204143313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33602070156 + 33602070157.

It is an arithmetic number, because the mean of its divisors is an integer number (33602070157).

Almost surely, 2^67204140313 is an apocalyptic number.

It is an amenable number.

67204140313 is a deficient number, since it is larger than the sum of its proper divisors (1).

67204140313 is an equidigital number, since it uses as much as digits as its factorization.

67204140313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 31.

Adding to 67204140313 its reverse (31304140276), we get a palindrome (98508280589).

The spelling of 67204140313 in words is "sixty-seven billion, two hundred four million, one hundred forty thousand, three hundred thirteen".