249262680971 has 2 divisors, whose sum is σ = 249262680972. Its totient is φ = 249262680970.

The previous prime is 249262680937. The next prime is 249262681013. The reversal of 249262680971 is 179086262942.

It is a happy number.

249262680971 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 249262680971 - 2¹⁴ = 249262664587 is a prime.

It is not a weakly prime, because it can be changed into another prime (249262680571) 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, 124631340485 + 124631340486.

It is an arithmetic number, because the mean of its divisors is an integer number (124631340486).

Almost surely, 2^249262680971 is an apocalyptic number.

249262680971 is a deficient number, since it is larger than the sum of its proper divisors (1).

249262680971 is an equidigital number, since it uses as much as digits as its factorization.

249262680971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 56.

The spelling of 249262680971 in words is "two hundred forty-nine billion, two hundred sixty-two million, six hundred eighty thousand, nine hundred seventy-one".