67351329412 has 12 divisors (see below), whose sum is σ = 118063590876. Its totient is φ = 33618874880.

The previous prime is 67351329403. The next prime is 67351329427. The reversal of 67351329412 is 21492315376.

It can be written as a sum of positive squares in 2 ways, for example, as 43603286596 + 23748042816 = 208814^2 + 154104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14194789 + ... + 14199532.

It is an arithmetic number, because the mean of its divisors is an integer number (9838632573).

Almost surely, 2^67351329412 is an apocalyptic number.

It is an amenable number.

67351329412 is a deficient number, since it is larger than the sum of its proper divisors (50712261464).

67351329412 is a wasteful number, since it uses less digits than its factorization.

67351329412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28394918 (or 28394916 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The spelling of 67351329412 in words is "sixty-seven billion, three hundred fifty-one million, three hundred twenty-nine thousand, four hundred twelve".