2164340527 has 2 divisors, whose sum is σ = 2164340528. Its totient is φ = 2164340526.

The previous prime is 2164340501. The next prime is 2164340579. The reversal of 2164340527 is 7250434612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2164340527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2164340492 and 2164340501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2164340627) 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, 1082170263 + 1082170264.

It is an arithmetic number, because the mean of its divisors is an integer number (1082170264).

Almost surely, 2^2164340527 is an apocalyptic number.

2164340527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164340527 is an equidigital number, since it uses as much as digits as its factorization.

2164340527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2164340527 is about 46522.4733542833. The cubic root of 2164340527 is about 1293.5261033754.

The spelling of 2164340527 in words is "two billion, one hundred sixty-four million, three hundred forty thousand, five hundred twenty-seven".