7448744849 has 24 divisors (see below), whose sum is σ = 9423866088. Its totient is φ = 5835110400.

The previous prime is 7448744791. The next prime is 7448744923. The reversal of 7448744849 is 9484478447.

It can be written as a sum of positive squares in 4 ways, for example, as 486511249 + 6962233600 = 22057^2 + 83440^2 .

It is not a de Polignac number, because 7448744849 - 2²⁰ = 7447696273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7448741849) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6449 + ... + 122225.

It is an arithmetic number, because the mean of its divisors is an integer number (392661087).

Almost surely, 2^7448744849 is an apocalyptic number.

It is an amenable number.

7448744849 is a deficient number, since it is larger than the sum of its proper divisors (1975121239).

7448744849 is a wasteful number, since it uses less digits than its factorization.

7448744849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115905 (or 115898 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 59.

The square root of 7448744849 is about 86306.1113073692. Note that the first 3 decimals coincide. The cubic root of 7448744849 is about 1952.9645767225.

The spelling of 7448744849 in words is "seven billion, four hundred forty-eight million, seven hundred forty-four thousand, eight hundred forty-nine".