3645234239 has 2 divisors, whose sum is σ = 3645234240. Its totient is φ = 3645234238.

The previous prime is 3645234233. The next prime is 3645234247. The reversal of 3645234239 is 9324325463.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3645234239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3645234196 and 3645234205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645234233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822617119 + 1822617120.

It is an arithmetic number, because the mean of its divisors is an integer number (1822617120).

Almost surely, 2^3645234239 is an apocalyptic number.

3645234239 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645234239 is an equidigital number, since it uses as much as digits as its factorization.

3645234239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 41.

The square root of 3645234239 is about 60375.7752662440. The cubic root of 3645234239 is about 1539.0113178095.

The spelling of 3645234239 in words is "three billion, six hundred forty-five million, two hundred thirty-four thousand, two hundred thirty-nine".