271804562489 has 2 divisors, whose sum is σ = 271804562490. Its totient is φ = 271804562488.

The previous prime is 271804562423. The next prime is 271804562581. The reversal of 271804562489 is 984265408172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 154207006864 + 117597555625 = 392692^2 + 342925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-271804562489 is a prime.

It is not a weakly prime, because it can be changed into another prime (271804562989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135902281244 + 135902281245.

It is an arithmetic number, because the mean of its divisors is an integer number (135902281245).

Almost surely, 2^271804562489 is an apocalyptic number.

It is an amenable number.

271804562489 is a deficient number, since it is larger than the sum of its proper divisors (1).

271804562489 is an equidigital number, since it uses as much as digits as its factorization.

271804562489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 271804562489 in words is "two hundred seventy-one billion, eight hundred four million, five hundred sixty-two thousand, four hundred eighty-nine".