3442638109 has 2 divisors, whose sum is σ = 3442638110. Its totient is φ = 3442638108.

The previous prime is 3442638041. The next prime is 3442638119. The reversal of 3442638109 is 9018362443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3431382084 + 11256025 = 58578^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 3442638109 - 2¹³ = 3442629917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3442638119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1721319054 + 1721319055.

It is an arithmetic number, because the mean of its divisors is an integer number (1721319055).

Almost surely, 2^3442638109 is an apocalyptic number.

It is an amenable number.

3442638109 is a deficient number, since it is larger than the sum of its proper divisors (1).

3442638109 is an equidigital number, since it uses as much as digits as its factorization.

3442638109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 3442638109 is about 58673.9985768824. The cubic root of 3442638109 is about 1509.9542563223.

The spelling of 3442638109 in words is "three billion, four hundred forty-two million, six hundred thirty-eight thousand, one hundred nine".