67400043407 has 2 divisors, whose sum is σ = 67400043408. Its totient is φ = 67400043406.

The previous prime is 67400043401. The next prime is 67400043413. The reversal of 67400043407 is 70434000476.

It is a balanced prime because it is at equal distance from previous prime (67400043401) and next prime (67400043413).

It is a cyclic number.

It is not a de Polignac number, because 67400043407 - 2¹⁶ = 67399977871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67400043401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33700021703 + 33700021704.

It is an arithmetic number, because the mean of its divisors is an integer number (33700021704).

Almost surely, 2^67400043407 is an apocalyptic number.

67400043407 is a deficient number, since it is larger than the sum of its proper divisors (1).

67400043407 is an equidigital number, since it uses as much as digits as its factorization.

67400043407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 67400043407 in words is "sixty-seven billion, four hundred million, forty-three thousand, four hundred seven".