3628125321 has 16 divisors (see below), whose sum is σ = 4851448704. Its totient is φ = 2411789184.

The previous prime is 3628125313. The next prime is 3628125343. The reversal of 3628125321 is 1235218263.

It is not a de Polignac number, because 3628125321 - 2³ = 3628125313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3628125311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2506620 + ... + 2508066.

It is an arithmetic number, because the mean of its divisors is an integer number (303215544).

Almost surely, 2^3628125321 is an apocalyptic number.

It is an amenable number.

3628125321 is a deficient number, since it is larger than the sum of its proper divisors (1223323383).

3628125321 is a wasteful number, since it uses less digits than its factorization.

3628125321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280.

The product of its digits is 17280, while the sum is 33.

The square root of 3628125321 is about 60233.9216803953. The cubic root of 3628125321 is about 1536.5997562058.

The spelling of 3628125321 in words is "three billion, six hundred twenty-eight million, one hundred twenty-five thousand, three hundred twenty-one".