3621851201 has 2 divisors, whose sum is σ = 3621851202. Its totient is φ = 3621851200.

The previous prime is 3621851197. The next prime is 3621851203. The reversal of 3621851201 is 1021581263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3496948225 + 124902976 = 59135^2 + 11176^2 .

It is a cyclic number.

It is not a de Polignac number, because 3621851201 - 2² = 3621851197 is a prime.

It is a super-2 number, since 2×3621851201² = 26235612244370284802, which contains 22 as substring.

Together with 3621851203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3621851203) 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 as a sum of consecutive naturals, namely, 1810925600 + 1810925601.

It is an arithmetic number, because the mean of its divisors is an integer number (1810925601).

Almost surely, 2^3621851201 is an apocalyptic number.

It is an amenable number.

3621851201 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621851201 is an equidigital number, since it uses as much as digits as its factorization.

3621851201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 3621851201 is about 60181.8178605466. The cubic root of 3621851201 is about 1535.7134974136.

The spelling of 3621851201 in words is "three billion, six hundred twenty-one million, eight hundred fifty-one thousand, two hundred one".