259049468987 has 2 divisors, whose sum is σ = 259049468988. Its totient is φ = 259049468986.

The previous prime is 259049468957. The next prime is 259049469083. The reversal of 259049468987 is 789864940952.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-259049468987 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259049468987.

It is not a weakly prime, because it can be changed into another prime (259049468957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129524734493 + 129524734494.

It is an arithmetic number, because the mean of its divisors is an integer number (129524734494).

Almost surely, 2^259049468987 is an apocalyptic number.

259049468987 is a deficient number, since it is larger than the sum of its proper divisors (1).

259049468987 is an equidigital number, since it uses as much as digits as its factorization.

259049468987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 259049468987 in words is "two hundred fifty-nine billion, forty-nine million, four hundred sixty-eight thousand, nine hundred eighty-seven".