29171157467089 has 9 divisors (see below), whose sum is σ = 32064230122729. Its totient is φ = 26519180050660.

The previous prime is 29171157467087. The next prime is 29171157467113. The reversal of 29171157467089 is 98076475117192.

The square root of 29171157467089 is 5401033.

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

It is not a de Polignac number, because 29171157467089 - 2¹ = 29171157467087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29171157467087) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 59165862 + ... + 59656864.

Almost surely, 2^{29171157467089} is an apocalyptic number.

29171157467089 is the 5401033-rd square number.

29171157467089 is the 2700517-th centered octagonal number.

It is an amenable number.

29171157467089 is a deficient number, since it is larger than the sum of its proper divisors (2893072655640).

29171157467089 is an frugal number, since it uses more digits than its factorization.

29171157467089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982028 (or 491014 counting only the distinct ones).

The product of its (nonzero) digits is 53343360, while the sum is 67.

The spelling of 29171157467089 in words is "twenty-nine trillion, one hundred seventy-one billion, one hundred fifty-seven million, four hundred sixty-seven thousand, eighty-nine".