129270683467 has 6 divisors (see below), whose sum is σ = 137322145028. Its totient is φ = 121666525344.

The previous prime is 129270683449. The next prime is 129270683489. The reversal of 129270683467 is 764386072921.

It is a de Polignac number, because none of the positive numbers 2^k-129270683467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129270680467) 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 5 ways as a sum of consecutive naturals, for example, 223651413 + ... + 223651990.

Almost surely, 2^129270683467 is an apocalyptic number.

129270683467 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

129270683467 is a deficient number, since it is larger than the sum of its proper divisors (8051461561).

129270683467 is an equidigital number, since it uses as much as digits as its factorization.

129270683467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447303437 (or 447303420 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 129270683467 in words is "one hundred twenty-nine billion, two hundred seventy million, six hundred eighty-three thousand, four hundred sixty-seven".