29013671556 has 45 divisors (see below), whose sum is σ = 75855484551. Its totient is φ = 9670201848.

The previous prime is 29013671551. The next prime is 29013671569. The reversal of 29013671556 is 65517631092.

The square root of 29013671556 is 170334.

It is a perfect power (a square), and thus also a powerful number.

29013671556 is a `hidden beast` number, since 2 + 90 + 1 + 3 + 6 + 7 + 1 + 556 = 666.

It is a super-2 number, since 2×29013671556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29013671551) by changing a digit.

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 in 14 ways as a sum of consecutive naturals, for example, 3061281 + ... + 3070743.

Almost surely, 2^29013671556 is an apocalyptic number.

29013671556 is the 170334-th square number.

It is an amenable number.

29013671556 is an abundant number, since it is smaller than the sum of its proper divisors (46841812995).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29013671556 is an frugal number, since it uses more digits than its factorization.

29013671556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18942 (or 9468 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

It can be divided in two parts, 29013 and 671556, that added together give a square (700569 = 837²).

The spelling of 29013671556 in words is "twenty-nine billion, thirteen million, six hundred seventy-one thousand, five hundred fifty-six".