3727636541 has 2 divisors, whose sum is σ = 3727636542. Its totient is φ = 3727636540.

The previous prime is 3727636511. The next prime is 3727636553. The reversal of 3727636541 is 1456367273.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2743559641 + 984076900 = 52379^2 + 31370^2 .

It is a cyclic number.

It is not a de Polignac number, because 3727636541 - 2⁶ = 3727636477 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3727636492 and 3727636501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3727636511) 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, 1863818270 + 1863818271.

It is an arithmetic number, because the mean of its divisors is an integer number (1863818271).

Almost surely, 2^3727636541 is an apocalyptic number.

It is an amenable number.

3727636541 is a deficient number, since it is larger than the sum of its proper divisors (1).

3727636541 is an equidigital number, since it uses as much as digits as its factorization.

3727636541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 635040, while the sum is 44.

The square root of 3727636541 is about 61054.3736434991. The cubic root of 3727636541 is about 1550.5217169866.

The spelling of 3727636541 in words is "three billion, seven hundred twenty-seven million, six hundred thirty-six thousand, five hundred forty-one".