249704930567 has 2 divisors, whose sum is σ = 249704930568. Its totient is φ = 249704930566.

The previous prime is 249704930549. The next prime is 249704930569. The reversal of 249704930567 is 765039407942.

249704930567 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 249704930567 - 2¹⁶ = 249704865031 is a prime.

Together with 249704930569, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249704930569) 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, 124852465283 + 124852465284.

It is an arithmetic number, because the mean of its divisors is an integer number (124852465284).

Almost surely, 2^249704930567 is an apocalyptic number.

249704930567 is a deficient number, since it is larger than the sum of its proper divisors (1).

249704930567 is an equidigital number, since it uses as much as digits as its factorization.

249704930567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 249704930567 in words is "two hundred forty-nine billion, seven hundred four million, nine hundred thirty thousand, five hundred sixty-seven".