5442485749 has 2 divisors, whose sum is σ = 5442485750. Its totient is φ = 5442485748.

The previous prime is 5442485747. The next prime is 5442485779. The reversal of 5442485749 is 9475842445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4964188849 + 478296900 = 70457^2 + 21870^2 .

It is a cyclic number.

It is not a de Polignac number, because 5442485749 - 2¹ = 5442485747 is a prime.

It is a super-2 number, since 2×5442485749² = 59241302256136182002, which contains 22 as substring.

Together with 5442485747, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5442485696 and 5442485705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5442485747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2721242874 + 2721242875.

It is an arithmetic number, because the mean of its divisors is an integer number (2721242875).

Almost surely, 2^5442485749 is an apocalyptic number.

It is an amenable number.

5442485749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5442485749 is an equidigital number, since it uses as much as digits as its factorization.

5442485749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6451200, while the sum is 52.

The square root of 5442485749 is about 73773.2048171963. The cubic root of 5442485749 is about 1758.9997058900. Note that the first 3 decimals are identical.

The spelling of 5442485749 in words is "five billion, four hundred forty-two million, four hundred eighty-five thousand, seven hundred forty-nine".