38093744686 has 4 divisors (see below), whose sum is σ = 57140617032. Its totient is φ = 19046872342.

The previous prime is 38093744681. The next prime is 38093744699. The reversal of 38093744686 is 68644739083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68644739083 = 43 ⋅1596389281.

It is a super-2 number, since 2×38093744686² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38093744686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38093744681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9523436170 + ... + 9523436173.

It is an arithmetic number, because the mean of its divisors is an integer number (14285154258).

Almost surely, 2^38093744686 is an apocalyptic number.

38093744686 is a deficient number, since it is larger than the sum of its proper divisors (19046872346).

38093744686 is a wasteful number, since it uses less digits than its factorization.

38093744686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19046872345.

The product of its (nonzero) digits is 20901888, while the sum is 58.

The spelling of 38093744686 in words is "thirty-eight billion, ninety-three million, seven hundred forty-four thousand, six hundred eighty-six".