129845104794 has 12 divisors (see below), whose sum is σ = 281331060426. Its totient is φ = 43281701592.

The previous prime is 129845104789. The next prime is 129845104801. The reversal of 129845104794 is 497401548921.

129845104794 is a `hidden beast` number, since 1 + 2 + 9 + 84 + 510 + 47 + 9 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124499594025 + 5345510769 = 352845^2 + 73113^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 129845104794.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3606808449 + ... + 3606808484.

Almost surely, 2^129845104794 is an apocalyptic number.

129845104794 is an abundant number, since it is smaller than the sum of its proper divisors (151485955632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129845104794 is a wasteful number, since it uses less digits than its factorization.

129845104794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7213616941 (or 7213616938 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 129845104794 in words is "one hundred twenty-nine billion, eight hundred forty-five million, one hundred four thousand, seven hundred ninety-four".