3642527149 has 2 divisors, whose sum is σ = 3642527150. Its totient is φ = 3642527148.

The previous prime is 3642527137. The next prime is 3642527167. The reversal of 3642527149 is 9417252463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220105924 + 1422421225 = 47118^2 + 37715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3642527149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3642527179) 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, 1821263574 + 1821263575.

It is an arithmetic number, because the mean of its divisors is an integer number (1821263575).

Almost surely, 2^3642527149 is an apocalyptic number.

It is an amenable number.

3642527149 is a deficient number, since it is larger than the sum of its proper divisors (1).

3642527149 is an equidigital number, since it uses as much as digits as its factorization.

3642527149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 43.

The square root of 3642527149 is about 60353.3524255281. The cubic root of 3642527149 is about 1538.6302472904.

The spelling of 3642527149 in words is "three billion, six hundred forty-two million, five hundred twenty-seven thousand, one hundred forty-nine".