4005435818497 has 4 divisors (see below), whose sum is σ = 4005550632196. Its totient is φ = 4005321004800.

The previous prime is 4005435818393. The next prime is 4005435818521. The reversal of 4005435818497 is 7948185345004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1120547156481 + 2884888662016 = 1058559^2 + 1698496^2 .

It is a cyclic number.

It is not a de Polignac number, because 4005435818497 - 2¹¹ = 4005435816449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005435815497) 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, 57354504 + ... + 57424297.

It is an arithmetic number, because the mean of its divisors is an integer number (1001387658049).

Almost surely, 2^{4005435818497} is an apocalyptic number.

It is an amenable number.

4005435818497 is a deficient number, since it is larger than the sum of its proper divisors (114813699).

4005435818497 is a wasteful number, since it uses less digits than its factorization.

4005435818497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114813698.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 4005435818497 in words is "four trillion, five billion, four hundred thirty-five million, eight hundred eighteen thousand, four hundred ninety-seven".