3605365945 has 8 divisors (see below), whose sum is σ = 4333641480. Its totient is φ = 2879491200.

The previous prime is 3605365931. The next prime is 3605365961. The reversal of 3605365945 is 5495635063.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 740547369 + 2864818576 = 27213^2 + 53524^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3605365945 - 2¹⁹ = 3604841657 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3605365895 and 3605365904.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 596890 + ... + 602899.

It is an arithmetic number, because the mean of its divisors is an integer number (541705185).

Almost surely, 2^3605365945 is an apocalyptic number.

It is an amenable number.

3605365945 is a deficient number, since it is larger than the sum of its proper divisors (728275535).

3605365945 is a wasteful number, since it uses less digits than its factorization.

3605365945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200395.

The product of its (nonzero) digits is 1458000, while the sum is 46.

The square root of 3605365945 is about 60044.6995579127. The cubic root of 3605365945 is about 1533.3799634790.

The spelling of 3605365945 in words is "three billion, six hundred five million, three hundred sixty-five thousand, nine hundred forty-five".