3838568761 has 4 divisors (see below), whose sum is σ = 3855331300. Its totient is φ = 3821806224.

The previous prime is 3838568749. The next prime is 3838568801. The reversal of 3838568761 is 1678658383.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1678658383 = 59 ⋅28451837.

It can be written as a sum of positive squares in 2 ways, for example, as 2538245161 + 1300323600 = 50381^2 + 36060^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838568761 - 2⁵ = 3838568729 is a prime.

It is a super-2 number, since 2×3838568761² = 29469220265850150242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3838568561) 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, 8380926 + ... + 8381383.

It is an arithmetic number, because the mean of its divisors is an integer number (963832825).

Almost surely, 2^3838568761 is an apocalyptic number.

It is an amenable number.

3838568761 is a deficient number, since it is larger than the sum of its proper divisors (16762539).

3838568761 is a wasteful number, since it uses less digits than its factorization.

3838568761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16762538.

The product of its digits is 5806080, while the sum is 55.

The square root of 3838568761 is about 61956.1842030317. The cubic root of 3838568761 is about 1565.7524798176.

The spelling of 3838568761 in words is "three billion, eight hundred thirty-eight million, five hundred sixty-eight thousand, seven hundred sixty-one".