29767636089 has 45 divisors (see below), whose sum is σ = 45915747033. Its totient is φ = 18583874496.

The previous prime is 29767636051. The next prime is 29767636109. The reversal of 29767636089 is 98063676792.

The square root of 29767636089 is 172533.

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

It can be written as a sum of positive squares in 2 ways, for example, as 9238477689 + 20529158400 = 96117^2 + 143280^2 .

It is not a de Polignac number, because 29767636089 - 2¹⁷ = 29767505017 is a prime.

It is a super-2 number, since 2×29767636089² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29767636589) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 149586012 + ... + 149586210.

Almost surely, 2^29767636089 is an apocalyptic number.

29767636089 is the 172533-rd square number.

29767636089 is the 86267-th centered octagonal number.

It is an amenable number.

29767636089 is a deficient number, since it is larger than the sum of its proper divisors (16148110944).

29767636089 is an frugal number, since it uses more digits than its factorization.

29767636089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 41150592, while the sum is 63.

It can be divided in two parts, 29767 and 636089, that added together give a square (665856 = 816²).

The spelling of 29767636089 in words is "twenty-nine billion, seven hundred sixty-seven million, six hundred thirty-six thousand, eighty-nine".