129930877441 has 4 divisors (see below), whose sum is σ = 129938719792. Its totient is φ = 129923035092.

The previous prime is 129930877403. The next prime is 129930877451. The reversal of 129930877441 is 144778039921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144778039921 = 331 ⋅437395891.

It is a cyclic number.

It is not a de Polignac number, because 129930877441 - 2¹³ = 129930869249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129930877451) 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 3 ways as a sum of consecutive naturals, for example, 3896271 + ... + 3929476.

It is an arithmetic number, because the mean of its divisors is an integer number (32484679948).

Almost surely, 2^129930877441 is an apocalyptic number.

It is an amenable number.

129930877441 is a deficient number, since it is larger than the sum of its proper divisors (7842351).

129930877441 is an equidigital number, since it uses as much as digits as its factorization.

129930877441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7842350.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 129930877441 in words is "one hundred twenty-nine billion, nine hundred thirty million, eight hundred seventy-seven thousand, four hundred forty-one".