38348813881 has 8 divisors (see below), whose sum is σ = 43845413184. Its totient is φ = 32856763920.

The previous prime is 38348813771. The next prime is 38348813891. The reversal of 38348813881 is 18831884383.

It is a happy number.

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 38348813881 - 2²⁷ = 38214596153 is a prime.

It is a super-2 number, since 2×38348813881² (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 (38348813891) 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 7 ways as a sum of consecutive naturals, for example, 1119250 + ... + 1153003.

It is an arithmetic number, because the mean of its divisors is an integer number (5480676648).

Almost surely, 2^38348813881 is an apocalyptic number.

It is an amenable number.

38348813881 is a deficient number, since it is larger than the sum of its proper divisors (5496599303).

38348813881 is a wasteful number, since it uses less digits than its factorization.

38348813881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274671.

The product of its digits is 3538944, while the sum is 55.

The spelling of 38348813881 in words is "thirty-eight billion, three hundred forty-eight million, eight hundred thirteen thousand, eight hundred eighty-one".