38434228429 has 8 divisors (see below), whose sum is σ = 38503706040. Its totient is φ = 38364815616.

The previous prime is 38434228387. The next prime is 38434228433. The reversal of 38434228429 is 92482243483.

It can be written as a sum of positive squares in 4 ways, for example, as 682515625 + 37751712804 = 26125^2 + 194298^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38434228429 - 2⁹ = 38434227917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38434928429) 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, 1260249 + ... + 1290385.

It is an arithmetic number, because the mean of its divisors is an integer number (4812963255).

Almost surely, 2^38434228429 is an apocalyptic number.

It is an amenable number.

38434228429 is a deficient number, since it is larger than the sum of its proper divisors (69477611).

38434228429 is a wasteful number, since it uses less digits than its factorization.

38434228429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32399.

The product of its digits is 2654208, while the sum is 49.

The spelling of 38434228429 in words is "thirty-eight billion, four hundred thirty-four million, two hundred twenty-eight thousand, four hundred twenty-nine".