29143187173 has 2 divisors, whose sum is σ = 29143187174. Its totient is φ = 29143187172.

The previous prime is 29143187131. The next prime is 29143187179. The reversal of 29143187173 is 37178134192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27968548644 + 1174638529 = 167238^2 + 34273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-29143187173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (29143187179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14571593586 + 14571593587.

It is an arithmetic number, because the mean of its divisors is an integer number (14571593587).

Almost surely, 2^29143187173 is an apocalyptic number.

It is an amenable number.

29143187173 is a deficient number, since it is larger than the sum of its proper divisors (1).

29143187173 is an equidigital number, since it uses as much as digits as its factorization.

29143187173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 46.

The spelling of 29143187173 in words is "twenty-nine billion, one hundred forty-three million, one hundred eighty-seven thousand, one hundred seventy-three".