67283388889 has 4 divisors (see below), whose sum is σ = 67348650240. Its totient is φ = 67218127540.

The previous prime is 67283388883. The next prime is 67283388923. The reversal of 67283388889 is 98888338276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67283388889 - 2⁵ = 67283388857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67283388883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32629129 + ... + 32631190.

It is an arithmetic number, because the mean of its divisors is an integer number (16837162560).

Almost surely, 2^67283388889 is an apocalyptic number.

It is an amenable number.

67283388889 is a deficient number, since it is larger than the sum of its proper divisors (65261351).

67283388889 is a wasteful number, since it uses less digits than its factorization.

67283388889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65261350.

The product of its digits is 222953472, while the sum is 70.

The spelling of 67283388889 in words is "sixty-seven billion, two hundred eighty-three million, three hundred eighty-eight thousand, eight hundred eighty-nine".