235400928813889 has 2 divisors, whose sum is σ = 235400928813890. Its totient is φ = 235400928813888.

The previous prime is 235400928813881. The next prime is 235400928813989. The reversal of 235400928813889 is 988318829004532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208776721995664 + 26624206818225 = 14449108^2 + 5159865^2 .

It is a cyclic number.

It is not a de Polignac number, because 235400928813889 - 2³ = 235400928813881 is a prime.

It is not a weakly prime, because it can be changed into another prime (235400928813881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117700464406944 + 117700464406945.

It is an arithmetic number, because the mean of its divisors is an integer number (117700464406945).

Almost surely, 2^{235400928813889} is an apocalyptic number.

It is an amenable number.

235400928813889 is a deficient number, since it is larger than the sum of its proper divisors (1).

235400928813889 is an equidigital number, since it uses as much as digits as its factorization.

235400928813889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238878720, while the sum is 70.

The spelling of 235400928813889 in words is "two hundred thirty-five trillion, four hundred billion, nine hundred twenty-eight million, eight hundred thirteen thousand, eight hundred eighty-nine".