38403646371881 has 8 divisors (see below), whose sum is σ = 43889980854720. Its totient is φ = 32917336710768.

The previous prime is 38403646371859. The next prime is 38403646371901. The reversal of 38403646371881 is 18817364630483.

38403646371881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38403646371881 - 2⁶ = 38403646371817 is a prime.

It is a super-2 number, since 2×38403646371881² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38403646371821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2762711 + ... + 9189116.

It is an arithmetic number, because the mean of its divisors is an integer number (5486247606840).

Almost surely, 2^{38403646371881} is an apocalyptic number.

It is an amenable number.

38403646371881 is a deficient number, since it is larger than the sum of its proper divisors (5486334482839).

38403646371881 is a wasteful number, since it uses less digits than its factorization.

38403646371881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12410863.

The product of its (nonzero) digits is 55738368, while the sum is 62.

The spelling of 38403646371881 in words is "thirty-eight trillion, four hundred three billion, six hundred forty-six million, three hundred seventy-one thousand, eight hundred eighty-one".