129013875379 has 2 divisors, whose sum is σ = 129013875380. Its totient is φ = 129013875378.

The previous prime is 129013875359. The next prime is 129013875383. The reversal of 129013875379 is 973578310921.

It is a strong prime.

It is an emirp because it is prime and its reverse (973578310921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129013875379 - 2¹⁵ = 129013842611 is a prime.

It is not a weakly prime, because it can be changed into another prime (129013875329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64506937689 + 64506937690.

It is an arithmetic number, because the mean of its divisors is an integer number (64506937690).

Almost surely, 2^129013875379 is an apocalyptic number.

129013875379 is a deficient number, since it is larger than the sum of its proper divisors (1).

129013875379 is an equidigital number, since it uses as much as digits as its factorization.

129013875379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 129013875379 in words is "one hundred twenty-nine billion, thirteen million, eight hundred seventy-five thousand, three hundred seventy-nine".