249543219348 has 36 divisors (see below), whose sum is σ = 634659695488. Its totient is φ = 82670757840.

The previous prime is 249543219329. The next prime is 249543219383. The reversal of 249543219348 is 843912345942.

It is a happy number.

249543219348 is a `hidden beast` number, since 2 + 4 + 9 + 543 + 2 + 1 + 93 + 4 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 249543219294 and 249543219303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21257188 + ... + 21268923.

Almost surely, 2^249543219348 is an apocalyptic number.

It is an amenable number.

249543219348 is an abundant number, since it is smaller than the sum of its proper divisors (385116476140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249543219348 is a wasteful number, since it uses less digits than its factorization.

249543219348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42526284 (or 42526279 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 249543219348 in words is "two hundred forty-nine billion, five hundred forty-three million, two hundred nineteen thousand, three hundred forty-eight".