129630582069 has 32 divisors (see below), whose sum is σ = 187475751936. Its totient is φ = 79373817600.

The previous prime is 129630582043. The next prime is 129630582073. The reversal of 129630582069 is 960285036921.

It is not a de Polignac number, because 129630582069 - 2⁸ = 129630581813 is a prime.

It is a super-2 number, since 2×129630582069² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129630582019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188344 + ... + 542894.

It is an arithmetic number, because the mean of its divisors is an integer number (5858617248).

Almost surely, 2^129630582069 is an apocalyptic number.

It is an amenable number.

129630582069 is a deficient number, since it is larger than the sum of its proper divisors (57845169867).

129630582069 is a wasteful number, since it uses less digits than its factorization.

129630582069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354745.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 129630582069 in words is "one hundred twenty-nine billion, six hundred thirty million, five hundred eighty-two thousand, sixty-nine".