38032843681 has 16 divisors (see below), whose sum is σ = 43930579968. Its totient is φ = 32252734800.

The previous prime is 38032843663. The next prime is 38032843697. The reversal of 38032843681 is 18634823083.

It is a cyclic number.

It is not a de Polignac number, because 38032843681 - 2¹⁵ = 38032810913 is a prime.

It is a super-2 number, since 2×38032843681² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38032843621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240876 + ... + 366178.

It is an arithmetic number, because the mean of its divisors is an integer number (2745661248).

Almost surely, 2^38032843681 is an apocalyptic number.

It is an amenable number.

38032843681 is a deficient number, since it is larger than the sum of its proper divisors (5897736287).

38032843681 is a wasteful number, since it uses less digits than its factorization.

38032843681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125772.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 38032843681 in words is "thirty-eight billion, thirty-two million, eight hundred forty-three thousand, six hundred eighty-one".