6005409957889 has 2 divisors, whose sum is σ = 6005409957890. Its totient is φ = 6005409957888.

The previous prime is 6005409957881. The next prime is 6005409957893. The reversal of 6005409957889 is 9887599045006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5238454380289 + 766955577600 = 2288767^2 + 875760^2 .

It is a cyclic number.

It is not a de Polignac number, because 6005409957889 - 2³ = 6005409957881 is a prime.

It is not a weakly prime, because it can be changed into another prime (6005409957881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002704978944 + 3002704978945.

It is an arithmetic number, because the mean of its divisors is an integer number (3002704978945).

Almost surely, 2^{6005409957889} is an apocalyptic number.

It is an amenable number.

6005409957889 is a deficient number, since it is larger than the sum of its proper divisors (1).

6005409957889 is an equidigital number, since it uses as much as digits as its factorization.

6005409957889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 195955200, while the sum is 70.

The spelling of 6005409957889 in words is "six trillion, five billion, four hundred nine million, nine hundred fifty-seven thousand, eight hundred eighty-nine".