67189697949 has 8 divisors (see below), whose sum is σ = 97730469792. Its totient is φ = 40721029040.

The previous prime is 67189697917. The next prime is 67189697959. The reversal of 67189697949 is 94979698176.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67189697949 - 2⁵ = 67189697917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67189697909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018025694 + ... + 1018025759.

It is an arithmetic number, because the mean of its divisors is an integer number (12216308724).

Almost surely, 2^67189697949 is an apocalyptic number.

It is an amenable number.

67189697949 is a deficient number, since it is larger than the sum of its proper divisors (30540771843).

67189697949 is a wasteful number, since it uses less digits than its factorization.

67189697949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036051467.

The product of its digits is 370355328, while the sum is 75.

The spelling of 67189697949 in words is "sixty-seven billion, one hundred eighty-nine million, six hundred ninety-seven thousand, nine hundred forty-nine".