67850836432 has 10 divisors (see below), whose sum is σ = 131460995618. Its totient is φ = 33925418208.

The previous prime is 67850836387. The next prime is 67850836451. The reversal of 67850836432 is 23463805876.

It can be written as a sum of positive squares in only one way, i.e., 59323422096 + 8527414336 = 243564^2 + 92344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 67850836432.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120338623 + ... + 2120338654.

Almost surely, 2^67850836432 is an apocalyptic number.

It is an amenable number.

67850836432 is a deficient number, since it is larger than the sum of its proper divisors (63610159186).

67850836432 is a wasteful number, since it uses less digits than its factorization.

67850836432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240677285 (or 4240677279 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 67850836432 in words is "sixty-seven billion, eight hundred fifty million, eight hundred thirty-six thousand, four hundred thirty-two".