29081681282 has 8 divisors (see below), whose sum is σ = 44801509116. Its totient is φ = 14147844912.

The previous prime is 29081681273. The next prime is 29081681351. The reversal of 29081681282 is 28218618092.

It can be written as a sum of positive squares in 2 ways, for example, as 29025596161 + 56085121 = 170369^2 + 7489^2 .

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

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, 196497773 + ... + 196497920.

Almost surely, 2^29081681282 is an apocalyptic number.

29081681282 is a deficient number, since it is larger than the sum of its proper divisors (15719827834).

29081681282 is a wasteful number, since it uses less digits than its factorization.

29081681282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392995732.

The product of its (nonzero) digits is 221184, while the sum is 47.

The spelling of 29081681282 in words is "twenty-nine billion, eighty-one million, six hundred eighty-one thousand, two hundred eighty-two".