38748841782013 has 4 divisors (see below), whose sum is σ = 42271463762208. Its totient is φ = 35226219801820.

The previous prime is 38748841781989. The next prime is 38748841782073. The reversal of 38748841782013 is 31028714884783.

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 a cyclic number.

It is not a de Polignac number, because 38748841782013 - 2⁵ = 38748841781981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38748841782073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761310990081 + ... + 1761310990102.

It is an arithmetic number, because the mean of its divisors is an integer number (10567865940552).

Almost surely, 2^{38748841782013} is an apocalyptic number.

It is an amenable number.

38748841782013 is a deficient number, since it is larger than the sum of its proper divisors (3522621980195).

38748841782013 is a wasteful number, since it uses less digits than its factorization.

38748841782013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522621980194.

The product of its (nonzero) digits is 57802752, while the sum is 64.

The spelling of 38748841782013 in words is "thirty-eight trillion, seven hundred forty-eight billion, eight hundred forty-one million, seven hundred eighty-two thousand, thirteen".