67434843433 has 2 divisors, whose sum is σ = 67434843434. Its totient is φ = 67434843432.

The previous prime is 67434843409. The next prime is 67434843481. The reversal of 67434843433 is 33434843476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65357945104 + 2076898329 = 255652^2 + 45573^2 .

It is a cyclic number.

It is not a de Polignac number, because 67434843433 - 2¹³ = 67434835241 is a prime.

It is not a weakly prime, because it can be changed into another prime (67434843493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33717421716 + 33717421717.

It is an arithmetic number, because the mean of its divisors is an integer number (33717421717).

Almost surely, 2^67434843433 is an apocalyptic number.

It is an amenable number.

67434843433 is a deficient number, since it is larger than the sum of its proper divisors (1).

67434843433 is an equidigital number, since it uses as much as digits as its factorization.

67434843433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6967296, while the sum is 49.

The spelling of 67434843433 in words is "sixty-seven billion, four hundred thirty-four million, eight hundred forty-three thousand, four hundred thirty-three".