4135964009 has 4 divisors (see below), whose sum is σ = 4136178816. Its totient is φ = 4135749204.

The previous prime is 4135963999. The next prime is 4135964033. The reversal of 4135964009 is 9004695314.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4135964009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4135964089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75329 + ... + 118094.

It is an arithmetic number, because the mean of its divisors is an integer number (1034044704).

Almost surely, 2^4135964009 is an apocalyptic number.

It is an amenable number.

4135964009 is a deficient number, since it is larger than the sum of its proper divisors (214807).

4135964009 is a wasteful number, since it uses less digits than its factorization.

4135964009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214806.

The product of its (nonzero) digits is 116640, while the sum is 41.

The square root of 4135964009 is about 64311.4609459309. The cubic root of 4135964009 is about 1605.1868144333.

The spelling of 4135964009 in words is "four billion, one hundred thirty-five million, nine hundred sixty-four thousand, nine".