249757000099 has 2 divisors, whose sum is σ = 249757000100. Its totient is φ = 249757000098.

The previous prime is 249757000093. The next prime is 249757000123. The reversal of 249757000099 is 990000757942.

It is a happy number.

249757000099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249757000099 - 2¹³ = 249756991907 is a prime.

It is not a weakly prime, because it can be changed into another prime (249757000093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124878500049 + 124878500050.

It is an arithmetic number, because the mean of its divisors is an integer number (124878500050).

Almost surely, 2^249757000099 is an apocalyptic number.

249757000099 is a deficient number, since it is larger than the sum of its proper divisors (1).

249757000099 is an equidigital number, since it uses as much as digits as its factorization.

249757000099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 249757000099 in words is "two hundred forty-nine billion, seven hundred fifty-seven million, ninety-nine", and thus it is an aban number.