3621609353 has 4 divisors (see below), whose sum is σ = 3622141200. Its totient is φ = 3621077508.

The previous prime is 3621609337. The next prime is 3621609359. The reversal of 3621609353 is 3539061263.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3621609353 - 2⁴ = 3621609337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3621609359) 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, 255575 + ... + 269372.

It is an arithmetic number, because the mean of its divisors is an integer number (905535300).

Almost surely, 2^3621609353 is an apocalyptic number.

It is an amenable number.

3621609353 is a deficient number, since it is larger than the sum of its proper divisors (531847).

3621609353 is an equidigital number, since it uses as much as digits as its factorization.

3621609353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531846.

The product of its (nonzero) digits is 87480, while the sum is 38.

The square root of 3621609353 is about 60179.8085158137. The cubic root of 3621609353 is about 1535.6793143872.

The spelling of 3621609353 in words is "three billion, six hundred twenty-one million, six hundred nine thousand, three hundred fifty-three".