129751601589 has 12 divisors (see below), whose sum is σ = 187475086656. Its totient is φ = 86475172392.

The previous prime is 129751601557. The next prime is 129751601599. The reversal of 129751601589 is 985106157921.

It is a happy number.

129751601589 is a `hidden beast` number, since 1 + 2 + 9 + 7 + 51 + 6 + 0 + 1 + 589 = 666.

It is not a de Polignac number, because 129751601589 - 2⁵ = 129751601557 is a prime.

It is a super-2 number, since 2×129751601589² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129751601599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2126187 + ... + 2186360.

It is an arithmetic number, because the mean of its divisors is an integer number (15622923888).

Almost surely, 2^129751601589 is an apocalyptic number.

It is an amenable number.

129751601589 is a deficient number, since it is larger than the sum of its proper divisors (57723485067).

129751601589 is a wasteful number, since it uses less digits than its factorization.

129751601589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4315896 (or 4315893 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 54.

The spelling of 129751601589 in words is "one hundred twenty-nine billion, seven hundred fifty-one million, six hundred one thousand, five hundred eighty-nine".