3403638209 has 2 divisors, whose sum is σ = 3403638210. Its totient is φ = 3403638208.

The previous prime is 3403638191. The next prime is 3403638229. The reversal of 3403638209 is 9028363043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3058421809 + 345216400 = 55303^2 + 18580^2 .

It is a cyclic number.

It is not a de Polignac number, because 3403638209 - 2¹⁶ = 3403572673 is a prime.

It is not a weakly prime, because it can be changed into another prime (3403638229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1701819104 + 1701819105.

It is an arithmetic number, because the mean of its divisors is an integer number (1701819105).

Almost surely, 2^3403638209 is an apocalyptic number.

It is an amenable number.

3403638209 is a deficient number, since it is larger than the sum of its proper divisors (1).

3403638209 is an equidigital number, since it uses as much as digits as its factorization.

3403638209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 3403638209 is about 58340.7079919330. The cubic root of 3403638209 is about 1504.2307535603.

The spelling of 3403638209 in words is "three billion, four hundred three million, six hundred thirty-eight thousand, two hundred nine".