129275927593 has 16 divisors (see below), whose sum is σ = 140618741904. Its totient is φ = 118350305280.

The previous prime is 129275927567. The next prime is 129275927611. The reversal of 129275927593 is 395729572921.

It can be written as a sum of positive squares in 8 ways, for example, as 1306605609 + 127969321984 = 36147^2 + 357728^2 .

It is a cyclic number.

It is not a de Polignac number, because 129275927593 - 2¹³ = 129275919401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129275927563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2414671 + ... + 2467627.

It is an arithmetic number, because the mean of its divisors is an integer number (8788671369).

Almost surely, 2^129275927593 is an apocalyptic number.

It is an amenable number.

129275927593 is a deficient number, since it is larger than the sum of its proper divisors (11342814311).

129275927593 is a wasteful number, since it uses less digits than its factorization.

129275927593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56892.

The product of its digits is 21432600, while the sum is 61.

The spelling of 129275927593 in words is "one hundred twenty-nine billion, two hundred seventy-five million, nine hundred twenty-seven thousand, five hundred ninety-three".