2152396789 has 2 divisors, whose sum is σ = 2152396790. Its totient is φ = 2152396788.

The previous prime is 2152396783. The next prime is 2152396801. The reversal of 2152396789 is 9876932512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2112137764 + 40259025 = 45958^2 + 6345^2 .

It is a cyclic number.

It is not a de Polignac number, because 2152396789 - 2⁷ = 2152396661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2152396783) 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, 1076198394 + 1076198395.

It is an arithmetic number, because the mean of its divisors is an integer number (1076198395).

Almost surely, 2^2152396789 is an apocalyptic number.

It is an amenable number.

2152396789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2152396789 is an equidigital number, since it uses as much as digits as its factorization.

2152396789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 52.

The square root of 2152396789 is about 46393.9305189806. The cubic root of 2152396789 is about 1291.1423066890.

The spelling of 2152396789 in words is "two billion, one hundred fifty-two million, three hundred ninety-six thousand, seven hundred eighty-nine".