38403021129 has 8 divisors (see below), whose sum is σ = 55858939872. Its totient is φ = 23274558240.

The previous prime is 38403021119. The next prime is 38403021157. The reversal of 38403021129 is 92112030483.

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

It is not a de Polignac number, because 38403021129 - 2¹² = 38403017033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 1163727913 = 38403021129 / (3 + 8 + 4 + 0 + 3 + 0 + 2 + 1 + 1 + 2 + 9).

It is a self number, because there is not a number n which added to its sum of digits gives 38403021129.

It is not an unprimeable number, because it can be changed into a prime (38403021119) 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, 581863924 + ... + 581863989.

It is an arithmetic number, because the mean of its divisors is an integer number (6982367484).

Almost surely, 2^38403021129 is an apocalyptic number.

It is an amenable number.

38403021129 is a deficient number, since it is larger than the sum of its proper divisors (17455918743).

38403021129 is a wasteful number, since it uses less digits than its factorization.

38403021129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163727927.

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 38403021129 in words is "thirty-eight billion, four hundred three million, twenty-one thousand, one hundred twenty-nine".