3838116509 has 4 divisors (see below), whose sum is σ = 3892174560. Its totient is φ = 3784058460.

The previous prime is 3838116497. The next prime is 3838116517. The reversal of 3838116509 is 9056118383.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9056118383 = 13 ⋅696624491.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3838116509 is a prime.

It is a super-2 number, since 2×3838116509² = 29462276673316694162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3838116509.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3838106509) 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, 27028919 + ... + 27029060.

It is an arithmetic number, because the mean of its divisors is an integer number (973043640).

Almost surely, 2^3838116509 is an apocalyptic number.

It is an amenable number.

3838116509 is a deficient number, since it is larger than the sum of its proper divisors (54058051).

3838116509 is an equidigital number, since it uses as much as digits as its factorization.

3838116509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54058050.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 3838116509 is about 61952.5343226571. The cubic root of 3838116509 is about 1565.6909861945.

The spelling of 3838116509 in words is "three billion, eight hundred thirty-eight million, one hundred sixteen thousand, five hundred nine".