5144480649 has 108 divisors (see below), whose sum is σ = 9565554180. Its totient is φ = 2654467200.

The previous prime is 5144480611. The next prime is 5144480657. The reversal of 5144480649 is 9460844415.

It can be written as a sum of positive squares in 2 ways, for example, as 2070887049 + 3073593600 = 45507^2 + 55440^2 .

It is not a de Polignac number, because 5144480649 - 2³¹ = 2996997001 is a prime.

It is a super-2 number, since 2×5144480649² = 52931362295870922402, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5144480849) by changing a digit.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 12219459 + ... + 12219879.

Almost surely, 2^5144480649 is an apocalyptic number.

It is an amenable number.

5144480649 is a deficient number, since it is larger than the sum of its proper divisors (4421073531).

5144480649 is a wasteful number, since it uses less digits than its factorization.

5144480649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 5144480649 is about 71725.0350226474. The cubic root of 5144480649 is about 1726.2903625617.

The spelling of 5144480649 in words is "five billion, one hundred forty-four million, four hundred eighty thousand, six hundred forty-nine".