67235089081 has 8 divisors (see below), whose sum is σ = 70776576000. Its totient is φ = 63693882000.

The previous prime is 67235089073. The next prime is 67235089091. The reversal of 67235089081 is 18098053276.

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 67235089081 - 2³ = 67235089073 is a prime.

It is a super-2 number, since 2×67235089081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67235089091) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 576456 + ... + 683206.

It is an arithmetic number, because the mean of its divisors is an integer number (8847072000).

Almost surely, 2^67235089081 is an apocalyptic number.

It is an amenable number.

67235089081 is a deficient number, since it is larger than the sum of its proper divisors (3541486919).

67235089081 is a wasteful number, since it uses less digits than its factorization.

67235089081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139919.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 67235089081 in words is "sixty-seven billion, two hundred thirty-five million, eighty-nine thousand, eighty-one".