10126938449 has 2 divisors, whose sum is σ = 10126938450. Its totient is φ = 10126938448.

The previous prime is 10126938407. The next prime is 10126938457. The reversal of 10126938449 is 94483962101.

10126938449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9572665600 + 554272849 = 97840^2 + 23543^2 .

It is an emirp because it is prime and its reverse (94483962101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10126938449 - 2¹⁶ = 10126872913 is a prime.

It is not a weakly prime, because it can be changed into another prime (10126938749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063469224 + 5063469225.

It is an arithmetic number, because the mean of its divisors is an integer number (5063469225).

Almost surely, 2^10126938449 is an apocalyptic number.

It is an amenable number.

10126938449 is a deficient number, since it is larger than the sum of its proper divisors (1).

10126938449 is an equidigital number, since it uses as much as digits as its factorization.

10126938449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 10126938449 in words is "ten billion, one hundred twenty-six million, nine hundred thirty-eight thousand, four hundred forty-nine".