3645485306 has 4 divisors (see below), whose sum is σ = 5468227962. Its totient is φ = 1822742652.

The previous prime is 3645485297. The next prime is 3645485309. The reversal of 3645485306 is 6035845463.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2046205225 + 1599280081 = 45235^2 + 39991^2 .

It is not an unprimeable number, because it can be changed into a prime (3645485309) 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, 911371325 + ... + 911371328.

Almost surely, 2^3645485306 is an apocalyptic number.

3645485306 is a deficient number, since it is larger than the sum of its proper divisors (1822742656).

3645485306 is a wasteful number, since it uses less digits than its factorization.

3645485306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1822742655.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The square root of 3645485306 is about 60377.8544335587. The cubic root of 3645485306 is about 1539.0466503431.

The spelling of 3645485306 in words is "three billion, six hundred forty-five million, four hundred eighty-five thousand, three hundred six".