129025898463632 has 10 divisors (see below), whose sum is σ = 249987678273318. Its totient is φ = 64512949231808.

The previous prime is 129025898463563. The next prime is 129025898463667. The reversal of 129025898463632 is 236364898520921.

It can be written as a sum of positive squares in only one way, i.e., 126552060215296 + 2473838248336 = 11249536^2 + 1572844^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032059326973 + ... + 4032059327004.

Almost surely, 2^{129025898463632} is an apocalyptic number.

It is an amenable number.

129025898463632 is a deficient number, since it is larger than the sum of its proper divisors (120961779809686).

129025898463632 is an equidigital number, since it uses as much as digits as its factorization.

129025898463632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064118653985 (or 8064118653979 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 68.

The spelling of 129025898463632 in words is "one hundred twenty-nine trillion, twenty-five billion, eight hundred ninety-eight million, four hundred sixty-three thousand, six hundred thirty-two".