3236438069 has 2 divisors, whose sum is σ = 3236438070. Its totient is φ = 3236438068.

The previous prime is 3236438039. The next prime is 3236438071. The reversal of 3236438069 is 9608346323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2949576100 + 286861969 = 54310^2 + 16937^2 .

It is a cyclic number.

It is not a de Polignac number, because 3236438069 - 2²⁴ = 3219660853 is a prime.

It is a super-2 number, since 2×3236438069² = 20949062748944897522, which contains 22 as substring.

Together with 3236438071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3236438039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618219034 + 1618219035.

It is an arithmetic number, because the mean of its divisors is an integer number (1618219035).

Almost surely, 2^3236438069 is an apocalyptic number.

It is an amenable number.

3236438069 is a deficient number, since it is larger than the sum of its proper divisors (1).

3236438069 is an equidigital number, since it uses as much as digits as its factorization.

3236438069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 44.

The square root of 3236438069 is about 56889.7009044695. The cubic root of 3236438069 is about 1479.1847940851.

The spelling of 3236438069 in words is "three billion, two hundred thirty-six million, four hundred thirty-eight thousand, sixty-nine".