3628188309 has 4 divisors (see below), whose sum is σ = 4837584416. Its totient is φ = 2418792204.

The previous prime is 3628188283. The next prime is 3628188349. The reversal of 3628188309 is 9038818263.

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 not a de Polignac number, because 3628188309 - 2¹⁵ = 3628155541 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 (3628188349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604698049 + ... + 604698054.

It is an arithmetic number, because the mean of its divisors is an integer number (1209396104).

Almost surely, 2^3628188309 is an apocalyptic number.

It is an amenable number.

3628188309 is a deficient number, since it is larger than the sum of its proper divisors (1209396107).

3628188309 is a wasteful number, since it uses less digits than its factorization.

3628188309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209396106.

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 3628188309 is about 60234.4445396486. Note that the first 3 decimals coincide. The cubic root of 3628188309 is about 1536.6086484736.

The spelling of 3628188309 in words is "three billion, six hundred twenty-eight million, one hundred eighty-eight thousand, three hundred nine".