4173997129 has 2 divisors, whose sum is σ = 4173997130. Its totient is φ = 4173997128.

The previous prime is 4173997127. The next prime is 4173997181. The reversal of 4173997129 is 9217993714.

It is an a-pointer prime, because the next prime (4173997181) can be obtained adding 4173997129 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2388765625 + 1785231504 = 48875^2 + 42252^2 .

It is a cyclic number.

It is not a de Polignac number, because 4173997129 - 2¹ = 4173997127 is a prime.

Together with 4173997127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4173997127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086998564 + 2086998565.

It is an arithmetic number, because the mean of its divisors is an integer number (2086998565).

Almost surely, 2^4173997129 is an apocalyptic number.

It is an amenable number.

4173997129 is a deficient number, since it is larger than the sum of its proper divisors (1).

4173997129 is an equidigital number, since it uses as much as digits as its factorization.

4173997129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 4173997129 is about 64606.4790017224. The cubic root of 4173997129 is about 1610.0920859588.

The spelling of 4173997129 in words is "four billion, one hundred seventy-three million, nine hundred ninety-seven thousand, one hundred twenty-nine".