2386538389 has 2 divisors, whose sum is σ = 2386538390. Its totient is φ = 2386538388.

The previous prime is 2386538381. The next prime is 2386538419. The reversal of 2386538389 is 9838356832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618694289 + 767844100 = 40233^2 + 27710^2 .

It is a cyclic number.

It is not a de Polignac number, because 2386538389 - 2³ = 2386538381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2386538381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193269194 + 1193269195.

It is an arithmetic number, because the mean of its divisors is an integer number (1193269195).

Almost surely, 2^2386538389 is an apocalyptic number.

It is an amenable number.

2386538389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2386538389 is an equidigital number, since it uses as much as digits as its factorization.

2386538389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7464960, while the sum is 55.

The square root of 2386538389 is about 48852.2096634328. The cubic root of 2386538389 is about 1336.3579703165.

The spelling of 2386538389 in words is "two billion, three hundred eighty-six million, five hundred thirty-eight thousand, three hundred eighty-nine".