286539128641 has 2 divisors, whose sum is σ = 286539128642. Its totient is φ = 286539128640.

The previous prime is 286539128489. The next prime is 286539128647. The reversal of 286539128641 is 146821935682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253944437041 + 32594691600 = 503929^2 + 180540^2 .

It is a cyclic number.

It is not a de Polignac number, because 286539128641 - 2¹³ = 286539120449 is a prime.

It is not a weakly prime, because it can be changed into another prime (286539128647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143269564320 + 143269564321.

It is an arithmetic number, because the mean of its divisors is an integer number (143269564321).

Almost surely, 2^286539128641 is an apocalyptic number.

It is an amenable number.

286539128641 is a deficient number, since it is larger than the sum of its proper divisors (1).

286539128641 is an equidigital number, since it uses as much as digits as its factorization.

286539128641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 55.

The spelling of 286539128641 in words is "two hundred eighty-six billion, five hundred thirty-nine million, one hundred twenty-eight thousand, six hundred forty-one".