2506268449 has 4 divisors (see below), whose sum is σ = 2507604160. Its totient is φ = 2504932740.

The previous prime is 2506268441. The next prime is 2506268507. The reversal of 2506268449 is 9448626052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2506268449 - 2³ = 2506268441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2506268399 and 2506268408.

It is not an unprimeable number, because it can be changed into a prime (2506268441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665037 + ... + 668794.

It is an arithmetic number, because the mean of its divisors is an integer number (626901040).

Almost surely, 2^2506268449 is an apocalyptic number.

It is an amenable number.

2506268449 is a deficient number, since it is larger than the sum of its proper divisors (1335711).

2506268449 is a wasteful number, since it uses less digits than its factorization.

2506268449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335710.

The product of its (nonzero) digits is 829440, while the sum is 46.

The square root of 2506268449 is about 50062.6452457319. The cubic root of 2506268449 is about 1358.3422074303.

The spelling of 2506268449 in words is "two billion, five hundred six million, two hundred sixty-eight thousand, four hundred forty-nine".