258909488899 has 2 divisors, whose sum is σ = 258909488900. Its totient is φ = 258909488898.

The previous prime is 258909488897. The next prime is 258909488921. The reversal of 258909488899 is 998884909852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 258909488899 - 2¹ = 258909488897 is a prime.

Together with 258909488897, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (258909488891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129454744449 + 129454744450.

It is an arithmetic number, because the mean of its divisors is an integer number (129454744450).

Almost surely, 2^258909488899 is an apocalyptic number.

258909488899 is a deficient number, since it is larger than the sum of its proper divisors (1).

258909488899 is an equidigital number, since it uses as much as digits as its factorization.

258909488899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1074954240, while the sum is 79.

The spelling of 258909488899 in words is "two hundred fifty-eight billion, nine hundred nine million, four hundred eighty-eight thousand, eight hundred ninety-nine".