67001809252 has 12 divisors (see below), whose sum is σ = 134003618560. Its totient is φ = 28715061096.

The previous prime is 67001809207. The next prime is 67001809261. The reversal of 67001809252 is 25290810076.

67001809252 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196460852 + ... + 1196460907.

Almost surely, 2^67001809252 is an apocalyptic number.

It is an amenable number.

67001809252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67001809252 is a wasteful number, since it uses less digits than its factorization.

67001809252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392921770 (or 2392921768 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 67001809252 in words is "sixty-seven billion, one million, eight hundred nine thousand, two hundred fifty-two".