2125230493 has 4 divisors (see below), whose sum is σ = 2125499068. Its totient is φ = 2124961920.

The previous prime is 2125230491. The next prime is 2125230533. The reversal of 2125230493 is 3940325212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1501330009 + 623900484 = 38747^2 + 24978^2 .

It is a cyclic number.

It is not a de Polignac number, because 2125230493 - 2¹ = 2125230491 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125230491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122046 + ... + 138367.

It is an arithmetic number, because the mean of its divisors is an integer number (531374767).

Almost surely, 2^2125230493 is an apocalyptic number.

It is an amenable number.

2125230493 is a deficient number, since it is larger than the sum of its proper divisors (268575).

2125230493 is an equidigital number, since it uses as much as digits as its factorization.

2125230493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268574.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 2125230493 is about 46100.2222662755. Note that the first 4 decimals coincide. The cubic root of 2125230493 is about 1285.6872769747.

The spelling of 2125230493 in words is "two billion, one hundred twenty-five million, two hundred thirty thousand, four hundred ninety-three".