38191483517 has 4 divisors (see below), whose sum is σ = 41663436576. Its totient is φ = 34719530460.

The previous prime is 38191483489. The next prime is 38191483531. The reversal of 38191483517 is 71538419183.

It is a happy number.

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 38191483517 - 2²⁴ = 38174706301 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 (38191483217) 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 3 ways as a sum of consecutive naturals, for example, 1735976513 + ... + 1735976534.

It is an arithmetic number, because the mean of its divisors is an integer number (10415859144).

Almost surely, 2^38191483517 is an apocalyptic number.

It is an amenable number.

38191483517 is a deficient number, since it is larger than the sum of its proper divisors (3471953059).

38191483517 is a wasteful number, since it uses less digits than its factorization.

38191483517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471953058.

The product of its digits is 725760, while the sum is 50.

The spelling of 38191483517 in words is "thirty-eight billion, one hundred ninety-one million, four hundred eighty-three thousand, five hundred seventeen".