4006092765509 has 8 divisors (see below), whose sum is σ = 4081717352952. Its totient is φ = 3930469583040.

The previous prime is 4006092765443. The next prime is 4006092765589. The reversal of 4006092765509 is 9055672906004.

It can be written as a sum of positive squares in 4 ways, for example, as 45905205025 + 3960187560484 = 214255^2 + 1990022^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4006092765509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006092765589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6746147 + ... + 7315919.

It is an arithmetic number, because the mean of its divisors is an integer number (510214669119).

Almost surely, 2^{4006092765509} is an apocalyptic number.

It is an amenable number.

4006092765509 is a deficient number, since it is larger than the sum of its proper divisors (75624587443).

4006092765509 is a wasteful number, since it uses less digits than its factorization.

4006092765509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702487.

The product of its (nonzero) digits is 4082400, while the sum is 53.

The spelling of 4006092765509 in words is "four trillion, six billion, ninety-two million, seven hundred sixty-five thousand, five hundred nine".