27732016489 has 2 divisors, whose sum is σ = 27732016490. Its totient is φ = 27732016488.

The previous prime is 27732016471. The next prime is 27732016517. The reversal of 27732016489 is 98461023772.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27379328089 + 352688400 = 165467^2 + 18780^2 .

It is a cyclic number.

It is not a de Polignac number, because 27732016489 - 2¹⁷ = 27731885417 is a prime.

It is not a weakly prime, because it can be changed into another prime (27732016439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13866008244 + 13866008245.

It is an arithmetic number, because the mean of its divisors is an integer number (13866008245).

Almost surely, 2^27732016489 is an apocalyptic number.

It is an amenable number.

27732016489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27732016489 is an equidigital number, since it uses as much as digits as its factorization.

27732016489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The spelling of 27732016489 in words is "twenty-seven billion, seven hundred thirty-two million, sixteen thousand, four hundred eighty-nine".