2666450213 has 16 divisors (see below), whose sum is σ = 3153985536. Its totient is φ = 2205958320.

The previous prime is 2666450209. The next prime is 2666450219. The reversal of 2666450213 is 3120546662.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2666450213 - 2² = 2666450209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666450219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67070 + ... + 99152.

It is an arithmetic number, because the mean of its divisors is an integer number (197124096).

Almost surely, 2^2666450213 is an apocalyptic number.

It is an amenable number.

2666450213 is a deficient number, since it is larger than the sum of its proper divisors (487535323).

2666450213 is a wasteful number, since it uses less digits than its factorization.

2666450213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32504.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2666450213 is about 51637.6821032858. The cubic root of 2666450213 is about 1386.6850275385.

Adding to 2666450213 its reverse (3120546662), we get a palindrome (5786996875).

The spelling of 2666450213 in words is "two billion, six hundred sixty-six million, four hundred fifty thousand, two hundred thirteen".