38428634129 has 8 divisors (see below), whose sum is σ = 41756071680. Its totient is φ = 35231684400.

The previous prime is 38428634093. The next prime is 38428634143. The reversal of 38428634129 is 92143682483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38428634129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38428634329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32621342 + ... + 32622519.

It is an arithmetic number, because the mean of its divisors is an integer number (5219508960).

Almost surely, 2^38428634129 is an apocalyptic number.

It is an amenable number.

38428634129 is a deficient number, since it is larger than the sum of its proper divisors (3327437551).

38428634129 is a wasteful number, since it uses less digits than its factorization.

38428634129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65243911.

The product of its digits is 1990656, while the sum is 50.

The spelling of 38428634129 in words is "thirty-eight billion, four hundred twenty-eight million, six hundred thirty-four thousand, one hundred twenty-nine".