6005409957881 has 2 divisors, whose sum is σ = 6005409957882. Its totient is φ = 6005409957880.

The previous prime is 6005409957839. The next prime is 6005409957889. The reversal of 6005409957881 is 1887599045006.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5788552095481 + 216857862400 = 2405941^2 + 465680^2 .

It is a cyclic number.

It is not a de Polignac number, because 6005409957881 - 2²⁶ = 6005342849017 is a prime.

It is a super-2 number, since 2×6005409957881² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6005409957889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002704978940 + 3002704978941.

It is an arithmetic number, because the mean of its divisors is an integer number (3002704978941).

Almost surely, 2^{6005409957881} is an apocalyptic number.

It is an amenable number.

6005409957881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6005409957881 is an equidigital number, since it uses as much as digits as its factorization.

6005409957881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21772800, while the sum is 62.

The spelling of 6005409957881 in words is "six trillion, five billion, four hundred nine million, nine hundred fifty-seven thousand, eight hundred eighty-one".