129653096217 has 8 divisors (see below), whose sum is σ = 173012846496. Its totient is φ = 86364371712.

The previous prime is 129653096191. The next prime is 129653096219. The reversal of 129653096217 is 712690356921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129653096217 - 2¹⁰ = 129653095193 is a prime.

It is a super-2 number, since 2×129653096217² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 129653096217.

It is not an unprimeable number, because it can be changed into a prime (129653096219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17752183 + ... + 17759484.

It is an arithmetic number, because the mean of its divisors is an integer number (21626605812).

Almost surely, 2^129653096217 is an apocalyptic number.

It is an amenable number.

129653096217 is a deficient number, since it is larger than the sum of its proper divisors (43359750279).

129653096217 is a wasteful number, since it uses less digits than its factorization.

129653096217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35512887.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The spelling of 129653096217 in words is "one hundred twenty-nine billion, six hundred fifty-three million, ninety-six thousand, two hundred seventeen".