2125738258 has 16 divisors (see below), whose sum is σ = 3705888960. Its totient is φ = 895589136.

The previous prime is 2125738253. The next prime is 2125738261. The reversal of 2125738258 is 8528375212.

It is not an unprimeable number, because it can be changed into a prime (2125738253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285941 + ... + 1287592.

It is an arithmetic number, because the mean of its divisors is an integer number (231618060).

Almost surely, 2^2125738258 is an apocalyptic number.

2125738258 is a deficient number, since it is larger than the sum of its proper divisors (1580150702).

2125738258 is a wasteful number, since it uses less digits than its factorization.

2125738258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573601.

The product of its digits is 268800, while the sum is 43.

The square root of 2125738258 is about 46105.7291233964. The cubic root of 2125738258 is about 1285.7896619501.

The spelling of 2125738258 in words is "two billion, one hundred twenty-five million, seven hundred thirty-eight thousand, two hundred fifty-eight".