5149925449 has 2 divisors, whose sum is σ = 5149925450. Its totient is φ = 5149925448.

The previous prime is 5149925441. The next prime is 5149925467. The reversal of 5149925449 is 9445299415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4987184400 + 162741049 = 70620^2 + 12757^2 .

It is a cyclic number.

It is not a de Polignac number, because 5149925449 - 2³ = 5149925441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5149925396 and 5149925405.

It is not a weakly prime, because it can be changed into another prime (5149925441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2574962724 + 2574962725.

It is an arithmetic number, because the mean of its divisors is an integer number (2574962725).

Almost surely, 2^5149925449 is an apocalyptic number.

It is an amenable number.

5149925449 is a deficient number, since it is larger than the sum of its proper divisors (1).

5149925449 is an equidigital number, since it uses as much as digits as its factorization.

5149925449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 52.

The square root of 5149925449 is about 71762.9810487273. The cubic root of 5149925449 is about 1726.8991698351.

The spelling of 5149925449 in words is "five billion, one hundred forty-nine million, nine hundred twenty-five thousand, four hundred forty-nine".