29106866381 has 8 divisors (see below), whose sum is σ = 29614487424. Its totient is φ = 28602188640.

The previous prime is 29106866377. The next prime is 29106866401. The reversal of 29106866381 is 18366860192.

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 29106866381 - 2² = 29106866377 is a prime.

It is a super-2 number, since 2×29106866381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29106866351) 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, 715871 + ... + 755436.

It is an arithmetic number, because the mean of its divisors is an integer number (3701810928).

Almost surely, 2^29106866381 is an apocalyptic number.

It is an amenable number.

29106866381 is a deficient number, since it is larger than the sum of its proper divisors (507621043).

29106866381 is a wasteful number, since it uses less digits than its factorization.

29106866381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471651.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 29106866381 in words is "twenty-nine billion, one hundred six million, eight hundred sixty-six thousand, three hundred eighty-one".