4135602409 has 2 divisors, whose sum is σ = 4135602410. Its totient is φ = 4135602408.

The previous prime is 4135602353. The next prime is 4135602431. The reversal of 4135602409 is 9042065314.

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., 3662670400 + 472932009 = 60520^2 + 21747^2 .

It is a cyclic number.

It is not a de Polignac number, because 4135602409 - 2⁷ = 4135602281 is a prime.

It is not a weakly prime, because it can be changed into another prime (4135602209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2067801204 + 2067801205.

It is an arithmetic number, because the mean of its divisors is an integer number (2067801205).

Almost surely, 2^4135602409 is an apocalyptic number.

It is an amenable number.

4135602409 is a deficient number, since it is larger than the sum of its proper divisors (1).

4135602409 is an equidigital number, since it uses as much as digits as its factorization.

4135602409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4135602409 is about 64308.6495659798. The cubic root of 4135602409 is about 1605.1400335243.

The spelling of 4135602409 in words is "four billion, one hundred thirty-five million, six hundred two thousand, four hundred nine".