5144351449 has 2 divisors, whose sum is σ = 5144351450. Its totient is φ = 5144351448.

The previous prime is 5144351431. The next prime is 5144351533. The reversal of 5144351449 is 9441534415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2717015625 + 2427335824 = 52125^2 + 49268^2 .

It is a cyclic number.

It is not a de Polignac number, because 5144351449 - 2⁵ = 5144351417 is a prime.

It is not a weakly prime, because it can be changed into another prime (5144351749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2572175724 + 2572175725.

It is an arithmetic number, because the mean of its divisors is an integer number (2572175725).

Almost surely, 2^5144351449 is an apocalyptic number.

It is an amenable number.

5144351449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5144351449 is an equidigital number, since it uses as much as digits as its factorization.

5144351449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 40.

The square root of 5144351449 is about 71724.1343551806. The cubic root of 5144351449 is about 1726.2759109194.

The spelling of 5144351449 in words is "five billion, one hundred forty-four million, three hundred fifty-one thousand, four hundred forty-nine".