129647952948448 has 48 divisors (see below), whose sum is σ = 278686232173440. Its totient is φ = 58880562249600.

The previous prime is 129647952948389. The next prime is 129647952948509. The reversal of 129647952948448 is 844849259746921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156854268 + ... + 157678651.

It is an arithmetic number, because the mean of its divisors is an integer number (5805963170280).

Almost surely, 2^{129647952948448} is an apocalyptic number.

It is an amenable number.

129647952948448 is an abundant number, since it is smaller than the sum of its proper divisors (149038279224992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129647952948448 is a wasteful number, since it uses less digits than its factorization.

129647952948448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314534111 (or 314534103 counting only the distinct ones).

The product of its digits is 10032906240, while the sum is 82.

The spelling of 129647952948448 in words is "one hundred twenty-nine trillion, six hundred forty-seven billion, nine hundred fifty-two million, nine hundred forty-eight thousand, four hundred forty-eight".