38403654183381 has 4 divisors (see below), whose sum is σ = 51204872244512. Its totient is φ = 25602436122252.

The previous prime is 38403654183373. The next prime is 38403654183449. The reversal of 38403654183381 is 18338145630483.

38403654183381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 38403654183381 - 2³ = 38403654183373 is a prime.

It is a super-2 number, since 2×38403654183381² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38403654183281) 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 3 ways as a sum of consecutive naturals, for example, 6400609030561 + ... + 6400609030566.

It is an arithmetic number, because the mean of its divisors is an integer number (12801218061128).

Almost surely, 2^{38403654183381} is an apocalyptic number.

It is an amenable number.

38403654183381 is a deficient number, since it is larger than the sum of its proper divisors (12801218061131).

38403654183381 is a wasteful number, since it uses less digits than its factorization.

38403654183381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12801218061130.

The product of its (nonzero) digits is 19906560, while the sum is 57.

The spelling of 38403654183381 in words is "thirty-eight trillion, four hundred three billion, six hundred fifty-four million, one hundred eighty-three thousand, three hundred eighty-one".