3623609813 has 8 divisors (see below), whose sum is σ = 3667728600. Its totient is φ = 3579566848.

The previous prime is 3623609791. The next prime is 3623609839. The reversal of 3623609813 is 3189063263.

It can be written as a sum of positive squares in 4 ways, for example, as 33443089 + 3590166724 = 5783^2 + 59918^2 .

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 3623609813 - 2⁶ = 3623609749 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 (3623609863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80345 + ... + 117057.

It is an arithmetic number, because the mean of its divisors is an integer number (458466075).

Almost surely, 2^3623609813 is an apocalyptic number.

It is an amenable number.

3623609813 is a deficient number, since it is larger than the sum of its proper divisors (44118787).

3623609813 is a wasteful number, since it uses less digits than its factorization.

3623609813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37911.

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 3623609813 is about 60196.4269122346. The cubic root of 3623609813 is about 1535.9620155549.

The spelling of 3623609813 in words is "three billion, six hundred twenty-three million, six hundred nine thousand, eight hundred thirteen".