67340007349 has 2 divisors, whose sum is σ = 67340007350. Its totient is φ = 67340007348.

The previous prime is 67340007313. The next prime is 67340007401. The reversal of 67340007349 is 94370004376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36411509124 + 30928498225 = 190818^2 + 175865^2 .

It is a cyclic number.

It is not a de Polignac number, because 67340007349 - 2⁷ = 67340007221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67340407349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33670003674 + 33670003675.

It is an arithmetic number, because the mean of its divisors is an integer number (33670003675).

Almost surely, 2^67340007349 is an apocalyptic number.

It is an amenable number.

67340007349 is a deficient number, since it is larger than the sum of its proper divisors (1).

67340007349 is an equidigital number, since it uses as much as digits as its factorization.

67340007349 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 43.

The spelling of 67340007349 in words is "sixty-seven billion, three hundred forty million, seven thousand, three hundred forty-nine".