3637206541 has 2 divisors, whose sum is σ = 3637206542. Its totient is φ = 3637206540.

The previous prime is 3637206451. The next prime is 3637206553. The reversal of 3637206541 is 1456027363.

Together with previous prime (3637206451) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2457284041 + 1179922500 = 49571^2 + 34350^2 .

It is a cyclic number.

It is not a de Polignac number, because 3637206541 - 2¹⁵ = 3637173773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3637206541.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3637206341) 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, 1818603270 + 1818603271.

It is an arithmetic number, because the mean of its divisors is an integer number (1818603271).

Almost surely, 2^3637206541 is an apocalyptic number.

It is an amenable number.

3637206541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3637206541 is an equidigital number, since it uses as much as digits as its factorization.

3637206541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 3637206541 is about 60309.2575066217. The cubic root of 3637206541 is about 1537.8807275876.

The spelling of 3637206541 in words is "three billion, six hundred thirty-seven million, two hundred six thousand, five hundred forty-one".