3652992661 has 2 divisors, whose sum is σ = 3652992662. Its totient is φ = 3652992660.

The previous prime is 3652992643. The next prime is 3652992667. The reversal of 3652992661 is 1662992563.

It is a happy number.

3652992661 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., 2601612036 + 1051380625 = 51006^2 + 32425^2 .

It is a cyclic number.

It is not a de Polignac number, because 3652992661 - 2²¹ = 3650895509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3652992667) 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, 1826496330 + 1826496331.

It is an arithmetic number, because the mean of its divisors is an integer number (1826496331).

Almost surely, 2^3652992661 is an apocalyptic number.

It is an amenable number.

3652992661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3652992661 is an equidigital number, since it uses as much as digits as its factorization.

3652992661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1049760, while the sum is 49.

The square root of 3652992661 is about 60439.9922319651. The cubic root of 3652992661 is about 1540.1024080153.

The spelling of 3652992661 in words is "three billion, six hundred fifty-two million, nine hundred ninety-two thousand, six hundred sixty-one".