5311935973889 has 2 divisors, whose sum is σ = 5311935973890. Its totient is φ = 5311935973888.

The previous prime is 5311935973873. The next prime is 5311935973957. The reversal of 5311935973889 is 9883795391135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4182094530289 + 1129841443600 = 2045017^2 + 1062940^2 .

It is a cyclic number.

It is not a de Polignac number, because 5311935973889 - 2⁴ = 5311935973873 is a prime.

It is not a weakly prime, because it can be changed into another prime (5311935973829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2655967986944 + 2655967986945.

It is an arithmetic number, because the mean of its divisors is an integer number (2655967986945).

Almost surely, 2^{5311935973889} is an apocalyptic number.

It is an amenable number.

5311935973889 is a deficient number, since it is larger than the sum of its proper divisors (1).

5311935973889 is an equidigital number, since it uses as much as digits as its factorization.

5311935973889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 220449600, while the sum is 71.

The spelling of 5311935973889 in words is "five trillion, three hundred eleven billion, nine hundred thirty-five million, nine hundred seventy-three thousand, eight hundred eighty-nine".