3621446149 has 2 divisors, whose sum is σ = 3621446150. Its totient is φ = 3621446148.

The previous prime is 3621446119. The next prime is 3621446167. The reversal of 3621446149 is 9416441263.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2983125924 + 638320225 = 54618^2 + 25265^2 .

It is a cyclic number.

It is not a de Polignac number, because 3621446149 - 2¹³ = 3621437957 is a prime.

It is a super-2 number, since 2×3621446149² = 26229744420213860402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3621446119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1810723074 + 1810723075.

It is an arithmetic number, because the mean of its divisors is an integer number (1810723075).

Almost surely, 2^3621446149 is an apocalyptic number.

It is an amenable number.

3621446149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3621446149 is an equidigital number, since it uses as much as digits as its factorization.

3621446149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 40.

The square root of 3621446149 is about 60178.4525307855. The cubic root of 3621446149 is about 1535.6562461187.

The spelling of 3621446149 in words is "three billion, six hundred twenty-one million, four hundred forty-six thousand, one hundred forty-nine".