9402002002049 has 4 divisors (see below), whose sum is σ = 9955060943364. Its totient is φ = 8848943060736.

The previous prime is 9402002002031. The next prime is 9402002002051.

9402002002049 is nontrivially palindromic in base 10.

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 7843399568449 + 1558602433600 = 2800607^2 + 1248440^2 .

It is a cyclic number.

It is not a de Polignac number, because 9402002002049 - 2³² = 9397707034753 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 (9402002002249) 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, 276529470632 + ... + 276529470665.

It is an arithmetic number, because the mean of its divisors is an integer number (2488765235841).

Almost surely, 2^{9402002002049} is an apocalyptic number.

It is an amenable number.

9402002002049 is a deficient number, since it is larger than the sum of its proper divisors (553058941315).

9402002002049 is a wasteful number, since it uses less digits than its factorization.

9402002002049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553058941314.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 9402002002049 in words is "nine trillion, four hundred two billion, two million, two thousand, forty-nine".