3646145633 has 8 divisors (see below), whose sum is σ = 4097341248. Its totient is φ = 3219339024.

The previous prime is 3646145617. The next prime is 3646145639. The reversal of 3646145633 is 3365416463.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3646145633 - 2⁴ = 3646145617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3646145639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6096935 + ... + 6097532.

It is an arithmetic number, because the mean of its divisors is an integer number (512167656).

Almost surely, 2^3646145633 is an apocalyptic number.

It is an amenable number.

3646145633 is a deficient number, since it is larger than the sum of its proper divisors (451195615).

3646145633 is a wasteful number, since it uses less digits than its factorization.

3646145633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12194503.

The product of its digits is 466560, while the sum is 41.

The square root of 3646145633 is about 60383.3224740077. The cubic root of 3646145633 is about 1539.1395700888.

The spelling of 3646145633 in words is "three billion, six hundred forty-six million, one hundred forty-five thousand, six hundred thirty-three".