249359040099 has 12 divisors (see below), whose sum is σ = 387891840336. Its totient is φ = 153451716912.

The previous prime is 249359040089. The next prime is 249359040101. The reversal of 249359040099 is 990040953942.

249359040099 is a `hidden beast` number, since 2 + 4 + 9 + 3 + 590 + 40 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 249359040099 - 2⁵ = 249359040067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (249359040079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065636807 + ... + 1065637040.

It is an arithmetic number, because the mean of its divisors is an integer number (32324320028).

Almost surely, 2^249359040099 is an apocalyptic number.

249359040099 is a deficient number, since it is larger than the sum of its proper divisors (138532800237).

249359040099 is a wasteful number, since it uses less digits than its factorization.

249359040099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131273866 (or 2131273863 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 249359040099 in words is "two hundred forty-nine billion, three hundred fifty-nine million, forty thousand, ninety-nine".