2064138697 has 2 divisors, whose sum is σ = 2064138698. Its totient is φ = 2064138696.

The previous prime is 2064138673. The next prime is 2064138733. The reversal of 2064138697 is 7968314602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2028961936 + 35176761 = 45044^2 + 5931^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064138697 - 2¹⁵ = 2064105929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2064138497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1032069348 + 1032069349.

It is an arithmetic number, because the mean of its divisors is an integer number (1032069349).

Almost surely, 2^2064138697 is an apocalyptic number.

It is an amenable number.

2064138697 is a deficient number, since it is larger than the sum of its proper divisors (1).

2064138697 is an equidigital number, since it uses as much as digits as its factorization.

2064138697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2064138697 is about 45432.7931895013. The cubic root of 2064138697 is about 1273.2478707767.

The spelling of 2064138697 in words is "two billion, sixty-four million, one hundred thirty-eight thousand, six hundred ninety-seven".