129604189628 has 6 divisors (see below), whose sum is σ = 226807331856. Its totient is φ = 64802094812.

The previous prime is 129604189613. The next prime is 129604189639. The reversal of 129604189628 is 826981406921.

It is a super-4 number, since 4×129604189628⁴ (a number of 46 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200523700 + ... + 16200523707.

It is an arithmetic number, because the mean of its divisors is an integer number (37801221976).

Almost surely, 2^129604189628 is an apocalyptic number.

It is an amenable number.

129604189628 is a deficient number, since it is larger than the sum of its proper divisors (97203142228).

129604189628 is a wasteful number, since it uses less digits than its factorization.

129604189628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32401047411 (or 32401047409 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 56.

The spelling of 129604189628 in words is "one hundred twenty-nine billion, six hundred four million, one hundred eighty-nine thousand, six hundred twenty-eight".