5489494949 has 2 divisors, whose sum is σ = 5489494950. Its totient is φ = 5489494948.

The previous prime is 5489494931. The next prime is 5489494963. The reversal of 5489494949 is 9494949845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4436492449 + 1053002500 = 66607^2 + 32450^2 .

It is a cyclic number.

It is not a de Polignac number, because 5489494949 - 2²⁰ = 5488446373 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5480494949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2744747474 + 2744747475.

It is an arithmetic number, because the mean of its divisors is an integer number (2744747475).

Almost surely, 2^5489494949 is an apocalyptic number.

It is an amenable number.

5489494949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5489494949 is an equidigital number, since it uses as much as digits as its factorization.

5489494949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67184640, while the sum is 65.

The square root of 5489494949 is about 74091.1259801064. The cubic root of 5489494949 is about 1764.0496183829.

The spelling of 5489494949 in words is "five billion, four hundred eighty-nine million, four hundred ninety-four thousand, nine hundred forty-nine".