10425839449 has 3 divisors (see below), whose sum is σ = 10425941557. Its totient is φ = 10425737342.

The previous prime is 10425839419. The next prime is 10425839483. The reversal of 10425839449 is 94493852401.

It is a happy number.

The square root of 10425839449 is 102107.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94493852401 = 13 ⋅7268757877.

It is not a de Polignac number, because 10425839449 - 2⁹ = 10425838937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10425839419) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 51054 + ... + 153160.

Almost surely, 2^10425839449 is an apocalyptic number.

10425839449 is the 102107-th square number.

10425839449 is the 51054-th centered octagonal number.

It is an amenable number.

10425839449 is a deficient number, since it is larger than the sum of its proper divisors (102108).

10425839449 is an frugal number, since it uses more digits than its factorization.

10425839449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204214 (or 102107 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

Multiplying 10425839449 by its sum of digits (49), we get a square (510866133001 = 714749²).

The spelling of 10425839449 in words is "ten billion, four hundred twenty-five million, eight hundred thirty-nine thousand, four hundred forty-nine".