3654125065 has 16 divisors (see below), whose sum is σ = 4437674640. Its totient is φ = 2888202240.

The previous prime is 3654125063. The next prime is 3654125071. The reversal of 3654125065 is 5605214563.

3654125065 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 314672121 + 3339452944 = 17739^2 + 57788^2 .

It is not a de Polignac number, because 3654125065 - 2¹ = 3654125063 is a prime.

It is a super-2 number, since 2×3654125065² = 26705259981322508450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3654125063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 788455 + ... + 793075.

It is an arithmetic number, because the mean of its divisors is an integer number (277354665).

Almost surely, 2^3654125065 is an apocalyptic number.

It is an amenable number.

3654125065 is a deficient number, since it is larger than the sum of its proper divisors (783549575).

3654125065 is a wasteful number, since it uses less digits than its factorization.

3654125065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6492.

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

The square root of 3654125065 is about 60449.3595086003. The cubic root of 3654125065 is about 1540.2615321553.

The spelling of 3654125065 in words is "three billion, six hundred fifty-four million, one hundred twenty-five thousand, sixty-five".