67345678403 has 2 divisors, whose sum is σ = 67345678404. Its totient is φ = 67345678402.

The previous prime is 67345678357. The next prime is 67345678423. The reversal of 67345678403 is 30487654376.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67345678403 - 2¹⁰ = 67345677379 is a prime.

It is not a weakly prime, because it can be changed into another prime (67345678423) 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, 33672839201 + 33672839202.

It is an arithmetic number, because the mean of its divisors is an integer number (33672839202).

Almost surely, 2^67345678403 is an apocalyptic number.

67345678403 is a deficient number, since it is larger than the sum of its proper divisors (1).

67345678403 is an equidigital number, since it uses as much as digits as its factorization.

67345678403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 53.

The spelling of 67345678403 in words is "sixty-seven billion, three hundred forty-five million, six hundred seventy-eight thousand, four hundred three".