3631012045 has 4 divisors (see below), whose sum is σ = 4357214460. Its totient is φ = 2904809632.

The previous prime is 3631012037. The next prime is 3631012061. The reversal of 3631012045 is 5402101363.

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

It can be written as a sum of positive squares in 2 ways, for example, as 663268516 + 2967743529 = 25754^2 + 54477^2 .

It is a cyclic number.

It is not a de Polignac number, because 3631012045 - 2³ = 3631012037 is a prime.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 363101200 + ... + 363101209.

It is an arithmetic number, because the mean of its divisors is an integer number (1089303615).

Almost surely, 2^3631012045 is an apocalyptic number.

It is an amenable number.

3631012045 is a deficient number, since it is larger than the sum of its proper divisors (726202415).

3631012045 is an equidigital number, since it uses as much as digits as its factorization.

3631012045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726202414.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 3631012045 is about 60257.8795262495. The cubic root of 3631012045 is about 1537.0071808937.

The spelling of 3631012045 in words is "three billion, six hundred thirty-one million, twelve thousand, forty-five".