4002894702749 has 4 divisors (see below), whose sum is σ = 4003063191420. Its totient is φ = 4002726214080.

The previous prime is 4002894702727. The next prime is 4002894702757. The reversal of 4002894702749 is 9472074982004.

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 1135731409849 + 2867163292900 = 1065707^2 + 1693270^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002894702749 - 2⁸ = 4002894702493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4002894702694 and 4002894702703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002894702449) 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, 84208694 + ... + 84256215.

It is an arithmetic number, because the mean of its divisors is an integer number (1000765797855).

Almost surely, 2^{4002894702749} is an apocalyptic number.

It is an amenable number.

4002894702749 is a deficient number, since it is larger than the sum of its proper divisors (168488671).

4002894702749 is a wasteful number, since it uses less digits than its factorization.

4002894702749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168488670.

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 4002894702749 in words is "four trillion, two billion, eight hundred ninety-four million, seven hundred two thousand, seven hundred forty-nine".