29081504089 has 27 divisors (see below), whose sum is σ = 32931500511. Its totient is φ = 25661805840.

The previous prime is 29081504077. The next prime is 29081504143. The reversal of 29081504089 is 98040518092.

The square root of 29081504089 is 170533.

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., 26022529225 + 3058974864 = 161315^2 + 55308^2 .

It is a de Polignac number, because none of the positive numbers 2^k-29081504089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29081504029) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 69406722 + ... + 69407140.

Almost surely, 2^29081504089 is an apocalyptic number.

29081504089 is the 170533-rd square number.

29081504089 is the 85267-th centered octagonal number.

It is an amenable number.

29081504089 is a deficient number, since it is larger than the sum of its proper divisors (3849996422).

29081504089 is an frugal number, since it uses more digits than its factorization.

29081504089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 29081504089 in words is "twenty-nine billion, eighty-one million, five hundred four thousand, eighty-nine".