38682718823473 has 4 divisors (see below), whose sum is σ = 40364576163648. Its totient is φ = 37000861483300.

The previous prime is 38682718823467. The next prime is 38682718823479. The reversal of 38682718823473 is 37432881728683.

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 an interprime number because it is at equal distance from previous prime (38682718823467) and next prime (38682718823479).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38682718823473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38682718823479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840928670053 + ... + 840928670098.

It is an arithmetic number, because the mean of its divisors is an integer number (10091144040912).

Almost surely, 2^{38682718823473} is an apocalyptic number.

It is an amenable number.

38682718823473 is a deficient number, since it is larger than the sum of its proper divisors (1681857340175).

38682718823473 is a wasteful number, since it uses less digits than its factorization.

38682718823473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681857340174.

The product of its digits is 520224768, while the sum is 70.

The spelling of 38682718823473 in words is "thirty-eight trillion, six hundred eighty-two billion, seven hundred eighteen million, eight hundred twenty-three thousand, four hundred seventy-three".