2125231438 has 24 divisors (see below), whose sum is σ = 3694263624. Its totient is φ = 909187200.

The previous prime is 2125231417. The next prime is 2125231439. The reversal of 2125231438 is 8341325212.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125231439) 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 11 ways as a sum of consecutive naturals, for example, 160773 + ... + 173488.

It is an arithmetic number, because the mean of its divisors is an integer number (153927651).

Almost surely, 2^2125231438 is an apocalyptic number.

2125231438 is a deficient number, since it is larger than the sum of its proper divisors (1569032186).

2125231438 is a wasteful number, since it uses less digits than its factorization.

2125231438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334308 (or 334291 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 2125231438 is about 46100.2325156826. The cubic root of 2125231438 is about 1285.6874675382.

The spelling of 2125231438 in words is "two billion, one hundred twenty-five million, two hundred thirty-one thousand, four hundred thirty-eight".