3631800149 has 2 divisors, whose sum is σ = 3631800150. Its totient is φ = 3631800148.

The previous prime is 3631800101. The next prime is 3631800169. The reversal of 3631800149 is 9410081363.

3631800149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2140450225 + 1491349924 = 46265^2 + 38618^2 .

It is a cyclic number.

It is not a de Polignac number, because 3631800149 - 2¹² = 3631796053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3631800169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1815900074 + 1815900075.

It is an arithmetic number, because the mean of its divisors is an integer number (1815900075).

Almost surely, 2^3631800149 is an apocalyptic number.

It is an amenable number.

3631800149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3631800149 is an equidigital number, since it uses as much as digits as its factorization.

3631800149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3631800149 is about 60264.4185983736. The cubic root of 3631800149 is about 1537.1183743080.

The spelling of 3631800149 in words is "three billion, six hundred thirty-one million, eight hundred thousand, one hundred forty-nine".