3656215045 has 16 divisors (see below), whose sum is σ = 5015485440. Its totient is φ = 2506495104.

The previous prime is 3656215027. The next prime is 3656215081. The reversal of 3656215045 is 5405126563.

It is a cyclic number.

It is not a de Polignac number, because 3656215045 - 2¹⁷ = 3656083973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3656214995 and 3656215013.

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 15 ways as a sum of consecutive naturals, for example, 163404 + ... + 184426.

It is an arithmetic number, because the mean of its divisors is an integer number (313467840).

Almost surely, 2^3656215045 is an apocalyptic number.

3656215045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3656215045 is a deficient number, since it is larger than the sum of its proper divisors (1359270395).

3656215045 is a wasteful number, since it uses less digits than its factorization.

3656215045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26004.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 3656215045 is about 60466.6440692718. The cubic root of 3656215045 is about 1540.5551274947. Note that the first 3 decimals are identical.

The spelling of 3656215045 in words is "three billion, six hundred fifty-six million, two hundred fifteen thousand, forty-five".