67000032889 has 2 divisors, whose sum is σ = 67000032890. Its totient is φ = 67000032888.

The previous prime is 67000032887. The next prime is 67000032901. The reversal of 67000032889 is 98823000076.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56794992489 + 10205040400 = 238317^2 + 101020^2 .

It is a cyclic number.

It is not a de Polignac number, because 67000032889 - 2¹ = 67000032887 is a prime.

Together with 67000032887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (67000032887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33500016444 + 33500016445.

It is an arithmetic number, because the mean of its divisors is an integer number (33500016445).

Almost surely, 2^67000032889 is an apocalyptic number.

It is an amenable number.

67000032889 is a deficient number, since it is larger than the sum of its proper divisors (1).

67000032889 is an equidigital number, since it uses as much as digits as its factorization.

67000032889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 67000032889 in words is "sixty-seven billion, thirty-two thousand, eight hundred eighty-nine".