29031362981776 has 15 divisors (see below), whose sum is σ = 56248307534811. Its totient is φ = 14515670714736.

The previous prime is 29031362981711. The next prime is 29031362981779. The reversal of 29031362981776 is 67718926313092.

The square root of 29031362981776 is 5388076.

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

It is a super-2 number, since 2×29031362981776² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29031362981779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 20878795 + ... + 22225813.

Almost surely, 2^{29031362981776} is an apocalyptic number.

29031362981776 is the 5388076-th square number.

It is an amenable number.

29031362981776 is a deficient number, since it is larger than the sum of its proper divisors (27216944553035).

29031362981776 is an frugal number, since it uses more digits than its factorization.

29031362981776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694046 (or 1347021 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 64.

The spelling of 29031362981776 in words is "twenty-nine trillion, thirty-one billion, three hundred sixty-two million, nine hundred eighty-one thousand, seven hundred seventy-six".