67400403347 has 2 divisors, whose sum is σ = 67400403348. Its totient is φ = 67400403346.

The previous prime is 67400403313. The next prime is 67400403359. The reversal of 67400403347 is 74330400476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67400403347 - 2⁶ = 67400403283 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67400403347.

It is not a weakly prime, because it can be changed into another prime (67400403307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33700201673 + 33700201674.

It is an arithmetic number, because the mean of its divisors is an integer number (33700201674).

Almost surely, 2^67400403347 is an apocalyptic number.

67400403347 is a deficient number, since it is larger than the sum of its proper divisors (1).

67400403347 is an equidigital number, since it uses as much as digits as its factorization.

67400403347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 38.

The spelling of 67400403347 in words is "sixty-seven billion, four hundred million, four hundred three thousand, three hundred forty-seven".