4129657169 has 4 divisors (see below), whose sum is σ = 4505080560. Its totient is φ = 3754233780.

The previous prime is 4129657111. The next prime is 4129657211. The reversal of 4129657169 is 9617569214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4129657169 - 2¹⁶ = 4129591633 is a prime.

It is a super-2 number, since 2×4129657169² = 34108136666946189122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4129657069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187711679 + ... + 187711700.

It is an arithmetic number, because the mean of its divisors is an integer number (1126270140).

Almost surely, 2^4129657169 is an apocalyptic number.

It is an amenable number.

4129657169 is a deficient number, since it is larger than the sum of its proper divisors (375423391).

4129657169 is a wasteful number, since it uses less digits than its factorization.

4129657169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375423390.

The product of its digits is 816480, while the sum is 50.

The square root of 4129657169 is about 64262.4086772352. The cubic root of 4129657169 is about 1604.3704947450.

The spelling of 4129657169 in words is "four billion, one hundred twenty-nine million, six hundred fifty-seven thousand, one hundred sixty-nine".