2543105396 has 12 divisors (see below), whose sum is σ = 4792775652. Its totient is φ = 1173740928.

The previous prime is 2543105393. The next prime is 2543105419. The reversal of 2543105396 is 6935013452.

It can be written as a sum of positive squares in 2 ways, for example, as 913852900 + 1629252496 = 30230^2 + 40364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2543105393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24452885 + ... + 24452988.

It is an arithmetic number, because the mean of its divisors is an integer number (399397971).

Almost surely, 2^2543105396 is an apocalyptic number.

2543105396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2543105396 is a deficient number, since it is larger than the sum of its proper divisors (2249670256).

2543105396 is a wasteful number, since it uses less digits than its factorization.

2543105396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48905890 (or 48905888 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 2543105396 is about 50429.2117328836. The cubic root of 2543105396 is about 1364.9648040230.

The spelling of 2543105396 in words is "two billion, five hundred forty-three million, one hundred five thousand, three hundred ninety-six".