5448889513 has 2 divisors, whose sum is σ = 5448889514. Its totient is φ = 5448889512.

The previous prime is 5448889427. The next prime is 5448889517. The reversal of 5448889513 is 3159888445.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4449823849 + 999065664 = 66707^2 + 31608^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5448889513 is a prime.

It is not a weakly prime, because it can be changed into another prime (5448889517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2724444756 + 2724444757.

It is an arithmetic number, because the mean of its divisors is an integer number (2724444757).

Almost surely, 2^5448889513 is an apocalyptic number.

It is an amenable number.

5448889513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5448889513 is an equidigital number, since it uses as much as digits as its factorization.

5448889513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5529600, while the sum is 55.

The square root of 5448889513 is about 73816.5937509988. The cubic root of 5448889513 is about 1759.6893297419.

The spelling of 5448889513 in words is "five billion, four hundred forty-eight million, eight hundred eighty-nine thousand, five hundred thirteen".