2148193726 has 16 divisors (see below), whose sum is σ = 3691416960. Its totient is φ = 918454680.

The previous prime is 2148193711. The next prime is 2148193727. The reversal of 2148193726 is 6273918412.

It is a super-2 number, since 2×2148193726² = 9229472568851526152, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2148193727) 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, 177240 + ... + 188971.

It is an arithmetic number, because the mean of its divisors is an integer number (230713560).

Almost surely, 2^2148193726 is an apocalyptic number.

2148193726 is a deficient number, since it is larger than the sum of its proper divisors (1543223234).

2148193726 is a wasteful number, since it uses less digits than its factorization.

2148193726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366639.

The product of its digits is 145152, while the sum is 43.

The square root of 2148193726 is about 46348.6108313939. The cubic root of 2148193726 is about 1290.3013389733.

The spelling of 2148193726 in words is "two billion, one hundred forty-eight million, one hundred ninety-three thousand, seven hundred twenty-six".