68433574081 has 8 divisors (see below), whose sum is σ = 70043093120. Its totient is φ = 66824875152.

The previous prime is 68433574073. The next prime is 68433574123. The reversal of 68433574081 is 18047533486.

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

It is not a de Polignac number, because 68433574081 - 2³ = 68433574073 is a prime.

It is a super-2 number, since 2×68433574081² (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 (68433574051) 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 7 ways as a sum of consecutive naturals, for example, 34530 + ... + 371563.

It is an arithmetic number, because the mean of its divisors is an integer number (8755386640).

Almost surely, 2^68433574081 is an apocalyptic number.

It is an amenable number.

68433574081 is a deficient number, since it is larger than the sum of its proper divisors (1609519039).

68433574081 is a wasteful number, since it uses less digits than its factorization.

68433574081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410055.

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 68433574081 in words is "sixty-eight billion, four hundred thirty-three million, five hundred seventy-four thousand, eighty-one".