29839173956 has 6 divisors (see below), whose sum is σ = 52218554430. Its totient is φ = 14919586976.

The previous prime is 29839173943. The next prime is 29839173983. The reversal of 29839173956 is 65937193892.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 24701151556 + 5138022400 = 157166^2 + 71680^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3729896741 + ... + 3729896748.

It is an arithmetic number, because the mean of its divisors is an integer number (8703092405).

Almost surely, 2^29839173956 is an apocalyptic number.

It is an amenable number.

29839173956 is a deficient number, since it is larger than the sum of its proper divisors (22379380474).

29839173956 is a wasteful number, since it uses less digits than its factorization.

29839173956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459793493 (or 7459793491 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 62.

The spelling of 29839173956 in words is "twenty-nine billion, eight hundred thirty-nine million, one hundred seventy-three thousand, nine hundred fifty-six".