129092921563 has 8 divisors (see below), whose sum is σ = 133206801840. Its totient is φ = 125025006720.

The previous prime is 129092921549. The next prime is 129092921579. The reversal of 129092921563 is 365129290921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129092921563 - 2¹³ = 129092913371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129092921543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11485653 + ... + 11496886.

It is an arithmetic number, because the mean of its divisors is an integer number (16650850230).

Almost surely, 2^129092921563 is an apocalyptic number.

129092921563 is a deficient number, since it is larger than the sum of its proper divisors (4113880277).

129092921563 is a wasteful number, since it uses less digits than its factorization.

129092921563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22982717.

The product of its (nonzero) digits is 524880, while the sum is 49.

The spelling of 129092921563 in words is "one hundred twenty-nine billion, ninety-two million, nine hundred twenty-one thousand, five hundred sixty-three".