249757000093 has 2 divisors, whose sum is σ = 249757000094. Its totient is φ = 249757000092.

The previous prime is 249757000043. The next prime is 249757000099. The reversal of 249757000093 is 390000757942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164850616324 + 84906383769 = 406018^2 + 291387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-249757000093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249757000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124878500046 + 124878500047.

It is an arithmetic number, because the mean of its divisors is an integer number (124878500047).

Almost surely, 2^249757000093 is an apocalyptic number.

It is an amenable number.

249757000093 is a deficient number, since it is larger than the sum of its proper divisors (1).

249757000093 is an equidigital number, since it uses as much as digits as its factorization.

249757000093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 249757000093 in words is "two hundred forty-nine billion, seven hundred fifty-seven million, ninety-three", and thus it is an aban number.