67393986225 has 12 divisors (see below), whose sum is σ = 111424724016. Its totient is φ = 35943459280.

The previous prime is 67393986223. The next prime is 67393986251. The reversal of 67393986225 is 52268939376.

It is not a de Polignac number, because 67393986225 - 2¹ = 67393986223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67393986223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 449293167 + ... + 449293316.

It is an arithmetic number, because the mean of its divisors is an integer number (9285393668).

Almost surely, 2^67393986225 is an apocalyptic number.

It is an amenable number.

67393986225 is a deficient number, since it is larger than the sum of its proper divisors (44030737791).

67393986225 is a wasteful number, since it uses less digits than its factorization.

67393986225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898586496 (or 898586491 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 60.

The spelling of 67393986225 in words is "sixty-seven billion, three hundred ninety-three million, nine hundred eighty-six thousand, two hundred twenty-five".