249353768996 has 12 divisors (see below), whose sum is σ = 437991287580. Its totient is φ = 124213401120.

The previous prime is 249353768981. The next prime is 249353769043. The reversal of 249353768996 is 699867353942.

It can be written as a sum of positive squares in 2 ways, for example, as 148274284096 + 101079484900 = 385064^2 + 317930^2 .

It is a super-2 number, since 2×249353768996² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115869635 + ... + 115871786.

It is an arithmetic number, because the mean of its divisors is an integer number (36499273965).

Almost surely, 2^249353768996 is an apocalyptic number.

It is an amenable number.

249353768996 is a deficient number, since it is larger than the sum of its proper divisors (188637518584).

249353768996 is a wasteful number, since it uses less digits than its factorization.

249353768996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231741694 (or 231741692 counting only the distinct ones).

The product of its digits is 529079040, while the sum is 71.

The spelling of 249353768996 in words is "two hundred forty-nine billion, three hundred fifty-three million, seven hundred sixty-eight thousand, nine hundred ninety-six".