249608000043 has 12 divisors (see below), whose sum is σ = 376220754000. Its totient is φ = 159170318736.

The previous prime is 249608000009. The next prime is 249608000051. The reversal of 249608000043 is 340000806942.

It is a happy number.

249608000043 is a `hidden beast` number, since 2 + 4 + 9 + 608 + 0 + 0 + 0 + 0 + 43 = 666.

It is not a de Polignac number, because 249608000043 - 2¹⁶ = 249607934507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 249607999971 and 249608000007.

It is not an unprimeable number, because it can be changed into a prime (249608000443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 602917668 + ... + 602918081.

It is an arithmetic number, because the mean of its divisors is an integer number (31351729500).

Almost surely, 2^249608000043 is an apocalyptic number.

249608000043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

249608000043 is a deficient number, since it is larger than the sum of its proper divisors (126612753957).

249608000043 is a wasteful number, since it uses less digits than its factorization.

249608000043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205835778 (or 1205835775 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

Adding to 249608000043 its reverse (340000806942), we get a palindrome (589608806985).

The spelling of 249608000043 in words is "two hundred forty-nine billion, six hundred eight million, forty-three", and thus it is an aban number.