427463473189 has 2 divisors, whose sum is σ = 427463473190. Its totient is φ = 427463473188.

The previous prime is 427463473153. The next prime is 427463473231. The reversal of 427463473189 is 981374364724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235014557089 + 192448916100 = 484783^2 + 438690^2 .

It is a cyclic number.

It is not a de Polignac number, because 427463473189 - 2²⁷ = 427329255461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427463473589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213731736594 + 213731736595.

It is an arithmetic number, because the mean of its divisors is an integer number (213731736595).

Almost surely, 2^427463473189 is an apocalyptic number.

It is an amenable number.

427463473189 is a deficient number, since it is larger than the sum of its proper divisors (1).

427463473189 is an equidigital number, since it uses as much as digits as its factorization.

427463473189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24385536, while the sum is 58.

The spelling of 427463473189 in words is "four hundred twenty-seven billion, four hundred sixty-three million, four hundred seventy-three thousand, one hundred eighty-nine".