3619586561 has 2 divisors, whose sum is σ = 3619586562. Its totient is φ = 3619586560.

The previous prime is 3619586539. The next prime is 3619586563. The reversal of 3619586561 is 1656859163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2572416961 + 1047169600 = 50719^2 + 32360^2 .

It is a cyclic number.

It is not a de Polignac number, because 3619586561 - 2⁶ = 3619586497 is a prime.

Together with 3619586563, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3619586563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809793280 + 1809793281.

It is an arithmetic number, because the mean of its divisors is an integer number (1809793281).

Almost surely, 2^3619586561 is an apocalyptic number.

It is an amenable number.

3619586561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3619586561 is an equidigital number, since it uses as much as digits as its factorization.

3619586561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 3619586561 is about 60162.9999335140. Note that the first 4 decimals coincide. The cubic root of 3619586561 is about 1535.3933514313.

The spelling of 3619586561 in words is "three billion, six hundred nineteen million, five hundred eighty-six thousand, five hundred sixty-one".