129457984307 has 4 divisors (see below), whose sum is σ = 131390193096. Its totient is φ = 127525775520.

The previous prime is 129457984303. The next prime is 129457984373. The reversal of 129457984307 is 703489754921.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 703489754921 = 163 ⋅4315888067.

It is a cyclic number.

It is not a de Polignac number, because 129457984307 - 2² = 129457984303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129457984303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966104294 + ... + 966104427.

It is an arithmetic number, because the mean of its divisors is an integer number (32847548274).

Almost surely, 2^129457984307 is an apocalyptic number.

129457984307 is a deficient number, since it is larger than the sum of its proper divisors (1932208789).

129457984307 is an equidigital number, since it uses as much as digits as its factorization.

129457984307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932208788.

The product of its (nonzero) digits is 15240960, while the sum is 59.

The spelling of 129457984307 in words is "one hundred twenty-nine billion, four hundred fifty-seven million, nine hundred eighty-four thousand, three hundred seven".