2164672513 has 2 divisors, whose sum is σ = 2164672514. Its totient is φ = 2164672512.

The previous prime is 2164672483. The next prime is 2164672547. The reversal of 2164672513 is 3152764612.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1995230224 + 169442289 = 44668^2 + 13017^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164672513 - 2²¹ = 2162575361 is a prime.

It is not a weakly prime, because it can be changed into another prime (2164672583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082336256 + 1082336257.

It is an arithmetic number, because the mean of its divisors is an integer number (1082336257).

Almost surely, 2^2164672513 is an apocalyptic number.

It is an amenable number.

2164672513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164672513 is an equidigital number, since it uses as much as digits as its factorization.

2164672513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 37.

The square root of 2164672513 is about 46526.0412349901. The cubic root of 2164672513 is about 1293.5922375468.

The spelling of 2164672513 in words is "two billion, one hundred sixty-four million, six hundred seventy-two thousand, five hundred thirteen".