758818939849 has 2 divisors, whose sum is σ = 758818939850. Its totient is φ = 758818939848.

The previous prime is 758818939847. The next prime is 758818939871. The reversal of 758818939849 is 948939818857.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 744009753600 + 14809186249 = 862560^2 + 121693^2 .

It is an emirp because it is prime and its reverse (948939818857) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 758818939849 - 2¹ = 758818939847 is a prime.

Together with 758818939847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (758818939843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379409469924 + 379409469925.

It is an arithmetic number, because the mean of its divisors is an integer number (379409469925).

Almost surely, 2^758818939849 is an apocalyptic number.

It is an amenable number.

758818939849 is a deficient number, since it is larger than the sum of its proper divisors (1).

758818939849 is an equidigital number, since it uses as much as digits as its factorization.

758818939849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1254113280, while the sum is 79.

The spelling of 758818939849 in words is "seven hundred fifty-eight billion, eight hundred eighteen million, nine hundred thirty-nine thousand, eight hundred forty-nine".