3673617965 has 4 divisors (see below), whose sum is σ = 4408341564. Its totient is φ = 2938894368.

The previous prime is 3673617923. The next prime is 3673617967. The reversal of 3673617965 is 5697163763.

It is a happy number.

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 2115816004 + 1557801961 = 45998^2 + 39469^2 .

It is a cyclic number.

It is not a de Polignac number, because 3673617965 - 2⁸ = 3673617709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3673617967) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 367361792 + ... + 367361801.

It is an arithmetic number, because the mean of its divisors is an integer number (1102085391).

Almost surely, 2^3673617965 is an apocalyptic number.

It is an amenable number.

3673617965 is a deficient number, since it is larger than the sum of its proper divisors (734723599).

3673617965 is an equidigital number, since it uses as much as digits as its factorization.

3673617965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734723598.

The product of its digits is 4286520, while the sum is 53.

The square root of 3673617965 is about 60610.3783604755. The cubic root of 3673617965 is about 1542.9955139122.

The spelling of 3673617965 in words is "three billion, six hundred seventy-three million, six hundred seventeen thousand, nine hundred sixty-five".