67108000431 has 4 divisors (see below), whose sum is σ = 89477333912. Its totient is φ = 44738666952.

The previous prime is 67108000423. The next prime is 67108000493. The reversal of 67108000431 is 13400080176.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 67108000431 - 2³ = 67108000423 is a prime.

It is a super-2 number, since 2×67108000431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67108000031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11184666736 + ... + 11184666741.

It is an arithmetic number, because the mean of its divisors is an integer number (22369333478).

Almost surely, 2^67108000431 is an apocalyptic number.

67108000431 is a deficient number, since it is larger than the sum of its proper divisors (22369333481).

67108000431 is a wasteful number, since it uses less digits than its factorization.

67108000431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22369333480.

The product of its (nonzero) digits is 4032, while the sum is 30.

The spelling of 67108000431 in words is "sixty-seven billion, one hundred eight million, four hundred thirty-one", and thus it is an aban number.