129482098561 has 8 divisors (see below), whose sum is σ = 137204911584. Its totient is φ = 121771087680.

The previous prime is 129482098547. The next prime is 129482098591. The reversal of 129482098561 is 165890284921.

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

It is a cyclic number.

It is not a de Polignac number, because 129482098561 - 2¹⁹ = 129481574273 is a prime.

It is a super-2 number, since 2×129482098561² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129482098591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2927935 + ... + 2971828.

It is an arithmetic number, because the mean of its divisors is an integer number (17150613948).

Almost surely, 2^129482098561 is an apocalyptic number.

It is an amenable number.

129482098561 is a deficient number, since it is larger than the sum of its proper divisors (7722813023).

129482098561 is a wasteful number, since it uses less digits than its factorization.

129482098561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5901071.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 129482098561 in words is "one hundred twenty-nine billion, four hundred eighty-two million, ninety-eight thousand, five hundred sixty-one".