46647285687889 has 2 divisors, whose sum is σ = 46647285687890. Its totient is φ = 46647285687888.

The previous prime is 46647285687869. The next prime is 46647285687917. The reversal of 46647285687889 is 98878658274664.

46647285687889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29678612004864 + 16968673683025 = 5447808^2 + 4119305^2 .

It is a cyclic number.

It is not a de Polignac number, because 46647285687889 - 2⁵ = 46647285687857 is a prime.

It is not a weakly prime, because it can be changed into another prime (46647285687869) 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, 23323642843944 + 23323642843945.

It is an arithmetic number, because the mean of its divisors is an integer number (23323642843945).

Almost surely, 2^{46647285687889} is an apocalyptic number.

It is an amenable number.

46647285687889 is a deficient number, since it is larger than the sum of its proper divisors (1).

46647285687889 is an equidigital number, since it uses as much as digits as its factorization.

46647285687889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62426972160, while the sum is 88.

The spelling of 46647285687889 in words is "forty-six trillion, six hundred forty-seven billion, two hundred eighty-five million, six hundred eighty-seven thousand, eight hundred eighty-nine".