129930056594 has 16 divisors (see below), whose sum is σ = 209915178648. Its totient is φ = 59959671552.

The previous prime is 129930056593. The next prime is 129930056603. The reversal of 129930056594 is 495650039921.

It can be written as a sum of positive squares in 4 ways, for example, as 121600756369 + 8329300225 = 348713^2 + 91265^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (129930056593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135557 + ... + 527480.

Almost surely, 2^129930056594 is an apocalyptic number.

129930056594 is a deficient number, since it is larger than the sum of its proper divisors (79985122054).

129930056594 is a wasteful number, since it uses less digits than its factorization.

129930056594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670589.

The product of its (nonzero) digits is 2624400, while the sum is 53.

The spelling of 129930056594 in words is "one hundred twenty-nine billion, nine hundred thirty million, fifty-six thousand, five hundred ninety-four".