3645164329 has 2 divisors, whose sum is σ = 3645164330. Its totient is φ = 3645164328.

The previous prime is 3645164239. The next prime is 3645164351. The reversal of 3645164329 is 9234615463.

Together with previous prime (3645164239) 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., 3123133225 + 522031104 = 55885^2 + 22848^2 .

It is an emirp because it is prime and its reverse (9234615463) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3645164329 - 2¹¹ = 3645162281 is a prime.

It is a super-3 number, since 3×3645164329³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (3645164629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822582164 + 1822582165.

It is an arithmetic number, because the mean of its divisors is an integer number (1822582165).

Almost surely, 2^3645164329 is an apocalyptic number.

It is an amenable number.

3645164329 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645164329 is an equidigital number, since it uses as much as digits as its factorization.

3645164329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The square root of 3645164329 is about 60375.1963060991. The cubic root of 3645164329 is about 1539.0014791213.

The spelling of 3645164329 in words is "three billion, six hundred forty-five million, one hundred sixty-four thousand, three hundred twenty-nine".