29537921956 has 9 divisors (see below), whose sum is σ = 51691964961. Its totient is φ = 14768789112.

The previous prime is 29537921887. The next prime is 29537921981. The reversal of 29537921956 is 65912973592.

The square root of 29537921956 is 171866.

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

It can be written as a sum of positive squares in only one way, i.e., 18843052900 + 10694869056 = 137270^2 + 103416^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29537921956.

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 in 2 ways as a sum of consecutive naturals, for example, 300766 + ... + 386698.

Almost surely, 2^29537921956 is an apocalyptic number.

29537921956 is the 171866-th square number.

It is an amenable number.

29537921956 is a deficient number, since it is larger than the sum of its proper divisors (22154043005).

29537921956 is an frugal number, since it uses more digits than its factorization.

29537921956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171870 (or 85935 counting only the distinct ones).

The product of its digits is 9185400, while the sum is 58.

The spelling of 29537921956 in words is "twenty-nine billion, five hundred thirty-seven million, nine hundred twenty-one thousand, nine hundred fifty-six".