249348791143 has 2 divisors, whose sum is σ = 249348791144. Its totient is φ = 249348791142.

The previous prime is 249348791137. The next prime is 249348791261. The reversal of 249348791143 is 341197843942.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 249348791143 - 2⁹ = 249348790631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249348798143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124674395571 + 124674395572.

It is an arithmetic number, because the mean of its divisors is an integer number (124674395572).

Almost surely, 2^249348791143 is an apocalyptic number.

249348791143 is a deficient number, since it is larger than the sum of its proper divisors (1).

249348791143 is an equidigital number, since it uses as much as digits as its factorization.

249348791143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5225472, while the sum is 55.

The spelling of 249348791143 in words is "two hundred forty-nine billion, three hundred forty-eight million, seven hundred ninety-one thousand, one hundred forty-three".