38118787043 has 4 divisors (see below), whose sum is σ = 38140608360. Its totient is φ = 38096965728.

The previous prime is 38118787039. The next prime is 38118787097. The reversal of 38118787043 is 34078781183.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34078781183 = 79 ⋅431376977.

It is a cyclic number.

It is not a de Polignac number, because 38118787043 - 2² = 38118787039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38118786982 and 38118787000.

It is not an unprimeable number, because it can be changed into a prime (38118787243) 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, 10908038 + ... + 10911531.

It is an arithmetic number, because the mean of its divisors is an integer number (9535152090).

Almost surely, 2^38118787043 is an apocalyptic number.

38118787043 is a deficient number, since it is larger than the sum of its proper divisors (21821317).

38118787043 is a wasteful number, since it uses less digits than its factorization.

38118787043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21821316.

The product of its (nonzero) digits is 903168, while the sum is 50.

The spelling of 38118787043 in words is "thirty-eight billion, one hundred eighteen million, seven hundred eighty-seven thousand, forty-three".