2664264213 has 18 divisors (see below), whose sum is σ = 4167184866. Its totient is φ = 1639546272.

The previous prime is 2664264209. The next prime is 2664264233. The reversal of 2664264213 is 3124624662.

2664264213 is a `hidden beast` number, since 2 + 6 + 6 + 4 + 2 + 642 + 1 + 3 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 308423844 + 2355840369 = 17562^2 + 48537^2 .

It is not a de Polignac number, because 2664264213 - 2² = 2664264209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664264233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 874306 + ... + 877347.

Almost surely, 2^2664264213 is an apocalyptic number.

It is an amenable number.

2664264213 is a deficient number, since it is larger than the sum of its proper divisors (1502920653).

2664264213 is a wasteful number, since it uses less digits than its factorization.

2664264213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751685 (or 1751669 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 2664264213 is about 51616.5110502444. The cubic root of 2664264213 is about 1386.3059814943.

Adding to 2664264213 its reverse (3124624662), we get a palindrome (5788888875).

The spelling of 2664264213 in words is "two billion, six hundred sixty-four million, two hundred sixty-four thousand, two hundred thirteen".