129092921579 has 2 divisors, whose sum is σ = 129092921580. Its totient is φ = 129092921578.

The previous prime is 129092921549. The next prime is 129092921591. The reversal of 129092921579 is 975129290921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129092921579 - 2¹² = 129092917483 is a prime.

It is not a weakly prime, because it can be changed into another prime (129092921509) 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 as a sum of consecutive naturals, namely, 64546460789 + 64546460790.

It is an arithmetic number, because the mean of its divisors is an integer number (64546460790).

Almost surely, 2^129092921579 is an apocalyptic number.

129092921579 is a deficient number, since it is larger than the sum of its proper divisors (1).

129092921579 is an equidigital number, since it uses as much as digits as its factorization.

129092921579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1837080, while the sum is 56.

The spelling of 129092921579 in words is "one hundred twenty-nine billion, ninety-two million, nine hundred twenty-one thousand, five hundred seventy-nine".