3288638869 has 2 divisors, whose sum is σ = 3288638870. Its totient is φ = 3288638868.

The previous prime is 3288638867. The next prime is 3288638879. The reversal of 3288638869 is 9688368823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2394927844 + 893711025 = 48938^2 + 29895^2 .

It is a cyclic number.

It is not a de Polignac number, because 3288638869 - 2¹ = 3288638867 is a prime.

It is a super-2 number, since 2×3288638869² = 21630291221395198322, which contains 22 as substring.

Together with 3288638867, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3288638867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1644319434 + 1644319435.

It is an arithmetic number, because the mean of its divisors is an integer number (1644319435).

Almost surely, 2^3288638869 is an apocalyptic number.

It is an amenable number.

3288638869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3288638869 is an equidigital number, since it uses as much as digits as its factorization.

3288638869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 61.

The square root of 3288638869 is about 57346.6552555596. The cubic root of 3288638869 is about 1487.0950516363.

The spelling of 3288638869 in words is "three billion, two hundred eighty-eight million, six hundred thirty-eight thousand, eight hundred sixty-nine".