29171434886 has 32 divisors (see below), whose sum is σ = 50705740800. Its totient is φ = 12439580800.

The previous prime is 29171434871. The next prime is 29171434973. The reversal of 29171434886 is 68843417192.

It is a super-2 number, since 2×29171434886² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9086 + ... + 241713.

It is an arithmetic number, because the mean of its divisors is an integer number (1584554400).

Almost surely, 2^29171434886 is an apocalyptic number.

29171434886 is a deficient number, since it is larger than the sum of its proper divisors (21534305914).

29171434886 is a wasteful number, since it uses less digits than its factorization.

29171434886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251140.

The product of its digits is 2322432, while the sum is 53.

The spelling of 29171434886 in words is "twenty-nine billion, one hundred seventy-one million, four hundred thirty-four thousand, eight hundred eighty-six".