2093546561 has 2 divisors, whose sum is σ = 2093546562. Its totient is φ = 2093546560.

The previous prime is 2093546537. The next prime is 2093546563. The reversal of 2093546561 is 1656453902.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1602480961 + 491065600 = 40031^2 + 22160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2093546561 is a prime.

Together with 2093546563, 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 (2093546563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046773280 + 1046773281.

It is an arithmetic number, because the mean of its divisors is an integer number (1046773281).

Almost surely, 2^2093546561 is an apocalyptic number.

It is an amenable number.

2093546561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2093546561 is an equidigital number, since it uses as much as digits as its factorization.

2093546561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 2093546561 is about 45755.2899783184. The cubic root of 2093546561 is about 1279.2660507932.

The spelling of 2093546561 in words is "two billion, ninety-three million, five hundred forty-six thousand, five hundred sixty-one".