129901337676446 has 32 divisors (see below), whose sum is σ = 246038923837440. Its totient is φ = 50119040036736.

The previous prime is 129901337676413. The next prime is 129901337676493. The reversal of 129901337676446 is 644676733109921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11865297566 + ... + 11865308513.

It is an arithmetic number, because the mean of its divisors is an integer number (7688716369920).

Almost surely, 2^{129901337676446} is an apocalyptic number.

129901337676446 is a deficient number, since it is larger than the sum of its proper divisors (116137586160994).

129901337676446 is a wasteful number, since it uses less digits than its factorization.

129901337676446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23730606128.

The product of its (nonzero) digits is 246903552, while the sum is 68.

The spelling of 129901337676446 in words is "one hundred twenty-nine trillion, nine hundred one billion, three hundred thirty-seven million, six hundred seventy-six thousand, four hundred forty-six".