3640604443 has 32 divisors (see below), whose sum is σ = 4401266688. Its totient is φ = 2945527200.

The previous prime is 3640604419. The next prime is 3640604467. The reversal of 3640604443 is 3444060463.

It is an interprime number because it is at equal distance from previous prime (3640604419) and next prime (3640604467).

It is not a de Polignac number, because 3640604443 - 2⁵ = 3640604411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3640604399 and 3640604408.

It is not an unprimeable number, because it can be changed into a prime (3640604483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5007346 + ... + 5008072.

It is an arithmetic number, because the mean of its divisors is an integer number (137539584).

Almost surely, 2^3640604443 is an apocalyptic number.

3640604443 is a deficient number, since it is larger than the sum of its proper divisors (760662245).

3640604443 is a wasteful number, since it uses less digits than its factorization.

3640604443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303.

The product of its (nonzero) digits is 82944, while the sum is 34.

The square root of 3640604443 is about 60337.4215806410. The cubic root of 3640604443 is about 1538.3594779264.

The spelling of 3640604443 in words is "three billion, six hundred forty million, six hundred four thousand, four hundred forty-three".