6594941921 has 2 divisors, whose sum is σ = 6594941922. Its totient is φ = 6594941920.

The previous prime is 6594941849. The next prime is 6594941957. The reversal of 6594941921 is 1291494956.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6437815696 + 157126225 = 80236^2 + 12535^2 .

It is a cyclic number.

It is not a de Polignac number, because 6594941921 - 2¹⁴ = 6594925537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6594941921.

It is not a weakly prime, because it can be changed into another prime (6594941321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3297470960 + 3297470961.

It is an arithmetic number, because the mean of its divisors is an integer number (3297470961).

Almost surely, 2^6594941921 is an apocalyptic number.

It is an amenable number.

6594941921 is a deficient number, since it is larger than the sum of its proper divisors (1).

6594941921 is an equidigital number, since it uses as much as digits as its factorization.

6594941921 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 50.

The square root of 6594941921 is about 81209.2477554127. The cubic root of 6594941921 is about 1875.2981495419.

The spelling of 6594941921 in words is "six billion, five hundred ninety-four million, nine hundred forty-one thousand, nine hundred twenty-one".