2165105351 has 2 divisors, whose sum is σ = 2165105352. Its totient is φ = 2165105350.

The previous prime is 2165105339. The next prime is 2165105377. The reversal of 2165105351 is 1535015612.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2165105351 - 2¹⁴ = 2165088967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2165105951) 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, 1082552675 + 1082552676.

It is an arithmetic number, because the mean of its divisors is an integer number (1082552676).

Almost surely, 2^2165105351 is an apocalyptic number.

2165105351 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165105351 is an equidigital number, since it uses as much as digits as its factorization.

2165105351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 2165105351 is about 46530.6925695288. The cubic root of 2165105351 is about 1293.6784520601.

The spelling of 2165105351 in words is "two billion, one hundred sixty-five million, one hundred five thousand, three hundred fifty-one".