38128429201 has 4 divisors (see below), whose sum is σ = 38143496304. Its totient is φ = 38113362100.

The previous prime is 38128429187. The next prime is 38128429259. The reversal of 38128429201 is 10292482183.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38128429201 - 2²⁷ = 37994211473 is a prime.

It is a super-2 number, since 2×38128429201² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38128429901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7529755 + ... + 7534816.

It is an arithmetic number, because the mean of its divisors is an integer number (9535874076).

Almost surely, 2^38128429201 is an apocalyptic number.

It is an amenable number.

38128429201 is a deficient number, since it is larger than the sum of its proper divisors (15067103).

38128429201 is a wasteful number, since it uses less digits than its factorization.

38128429201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15067102.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 38128429201 in words is "thirty-eight billion, one hundred twenty-eight million, four hundred twenty-nine thousand, two hundred one".