129037968466 has 32 divisors (see below), whose sum is σ = 212649494400. Its totient is φ = 58238236800.

The previous prime is 129037968439. The next prime is 129037968487. The reversal of 129037968466 is 664869730921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11555926 + ... + 11567086.

It is an arithmetic number, because the mean of its divisors is an integer number (6645296700).

Almost surely, 2^129037968466 is an apocalyptic number.

129037968466 is a deficient number, since it is larger than the sum of its proper divisors (83611525934).

129037968466 is a wasteful number, since it uses less digits than its factorization.

129037968466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14850.

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 129037968466 in words is "one hundred twenty-nine billion, thirty-seven million, nine hundred sixty-eight thousand, four hundred sixty-six".