427001131589 has 2 divisors, whose sum is σ = 427001131590. Its totient is φ = 427001131588.

The previous prime is 427001131499. The next prime is 427001131657. The reversal of 427001131589 is 985131100724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 345009390625 + 81991740964 = 587375^2 + 286342^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427001131589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427001131189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213500565794 + 213500565795.

It is an arithmetic number, because the mean of its divisors is an integer number (213500565795).

Almost surely, 2^427001131589 is an apocalyptic number.

It is an amenable number.

427001131589 is a deficient number, since it is larger than the sum of its proper divisors (1).

427001131589 is an equidigital number, since it uses as much as digits as its factorization.

427001131589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The spelling of 427001131589 in words is "four hundred twenty-seven billion, one million, one hundred thirty-one thousand, five hundred eighty-nine".