4306638109 has 2 divisors, whose sum is σ = 4306638110. Its totient is φ = 4306638108.

The previous prime is 4306638103. The next prime is 4306638113. The reversal of 4306638109 is 9018366034.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4293132484 + 13505625 = 65522^2 + 3675^2 .

It is a cyclic number.

It is not a de Polignac number, because 4306638109 - 2⁷ = 4306637981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4306638103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2153319054 + 2153319055.

It is an arithmetic number, because the mean of its divisors is an integer number (2153319055).

Almost surely, 2^4306638109 is an apocalyptic number.

It is an amenable number.

4306638109 is a deficient number, since it is larger than the sum of its proper divisors (1).

4306638109 is an equidigital number, since it uses as much as digits as its factorization.

4306638109 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 40.

The square root of 4306638109 is about 65624.9808304734. The cubic root of 4306638109 is about 1626.9696805499.

The spelling of 4306638109 in words is "four billion, three hundred six million, six hundred thirty-eight thousand, one hundred nine".