2666405413 has 12 divisors (see below), whose sum is σ = 3264987360. Its totient is φ = 2165200632.

The previous prime is 2666405389. The next prime is 2666405419. The reversal of 2666405413 is 3145046662.

It is not a de Polignac number, because 2666405413 - 2⁹ = 2666404901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666405419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1431081 + ... + 1432942.

It is an arithmetic number, because the mean of its divisors is an integer number (272082280).

Almost surely, 2^2666405413 is an apocalyptic number.

It is an amenable number.

2666405413 is a deficient number, since it is larger than the sum of its proper divisors (598581947).

2666405413 is a wasteful number, since it uses less digits than its factorization.

2666405413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2864056 (or 2864049 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2666405413 is about 51637.2483097231. The cubic root of 2666405413 is about 1386.6772614285.

The spelling of 2666405413 in words is "two billion, six hundred sixty-six million, four hundred five thousand, four hundred thirteen".