2705480989 has 2 divisors, whose sum is σ = 2705480990. Its totient is φ = 2705480988.

The previous prime is 2705480951. The next prime is 2705481019. The reversal of 2705480989 is 9890845072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1495136889 + 1210344100 = 38667^2 + 34790^2 .

It is a cyclic number.

It is not a de Polignac number, because 2705480989 - 2¹⁷ = 2705349917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2705480909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1352740494 + 1352740495.

It is an arithmetic number, because the mean of its divisors is an integer number (1352740495).

Almost surely, 2^2705480989 is an apocalyptic number.

It is an amenable number.

2705480989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2705480989 is an equidigital number, since it uses as much as digits as its factorization.

2705480989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2705480989 is about 52014.2383295190. The cubic root of 2705480989 is about 1393.4182538626.

The spelling of 2705480989 in words is "two billion, seven hundred five million, four hundred eighty thousand, nine hundred eighty-nine".