3838874989 has 2 divisors, whose sum is σ = 3838874990. Its totient is φ = 3838874988.

The previous prime is 3838874983. The next prime is 3838875091. The reversal of 3838874989 is 9894788383.

3838874989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3838793764 + 81225 = 61958^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 3838874989 - 2¹⁷ = 3838743917 is a prime.

It is a super-2 number, since 2×3838874989² = 29473922362339500242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3838874983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1919437494 + 1919437495.

It is an arithmetic number, because the mean of its divisors is an integer number (1919437495).

Almost surely, 2^3838874989 is an apocalyptic number.

It is an amenable number.

3838874989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3838874989 is an equidigital number, since it uses as much as digits as its factorization.

3838874989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 83607552, while the sum is 67.

The square root of 3838874989 is about 61958.6554808931. The cubic root of 3838874989 is about 1565.7941155183.

The spelling of 3838874989 in words is "three billion, eight hundred thirty-eight million, eight hundred seventy-four thousand, nine hundred eighty-nine".