2125883449 has 4 divisors (see below), whose sum is σ = 2125975936. Its totient is φ = 2125790964.

The previous prime is 2125883437. The next prime is 2125883467. The reversal of 2125883449 is 9443885212.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2125883449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2125883399 and 2125883408.

It is not an unprimeable number, because it can be changed into a prime (2125883849) 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, 17812 + ... + 67594.

It is an arithmetic number, because the mean of its divisors is an integer number (531493984).

Almost surely, 2^2125883449 is an apocalyptic number.

It is an amenable number.

2125883449 is a deficient number, since it is larger than the sum of its proper divisors (92487).

2125883449 is an equidigital number, since it uses as much as digits as its factorization.

2125883449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92486.

The product of its digits is 552960, while the sum is 46.

The square root of 2125883449 is about 46107.3036405297. The cubic root of 2125883449 is about 1285.8189350487.

The spelling of 2125883449 in words is "two billion, one hundred twenty-five million, eight hundred eighty-three thousand, four hundred forty-nine".