2664523837 has 2 divisors, whose sum is σ = 2664523838. Its totient is φ = 2664523836.

The previous prime is 2664523783. The next prime is 2664523879. The reversal of 2664523837 is 7383254662.

Together with previous prime (2664523783) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1864426041 + 800097796 = 43179^2 + 28286^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664523837 - 2¹⁵ = 2664491069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664523637) 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 as a sum of consecutive naturals, namely, 1332261918 + 1332261919.

It is an arithmetic number, because the mean of its divisors is an integer number (1332261919).

Almost surely, 2^2664523837 is an apocalyptic number.

It is an amenable number.

2664523837 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664523837 is an equidigital number, since it uses as much as digits as its factorization.

2664523837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 46.

The square root of 2664523837 is about 51619.0259206816. The cubic root of 2664523837 is about 1386.3510103885.

The spelling of 2664523837 in words is "two billion, six hundred sixty-four million, five hundred twenty-three thousand, eight hundred thirty-seven".