348087768389 has 2 divisors, whose sum is σ = 348087768390. Its totient is φ = 348087768388.

The previous prime is 348087768349. The next prime is 348087768401. The reversal of 348087768389 is 983867780843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211144845025 + 136942923364 = 459505^2 + 370058^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348087768389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348087768349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174043884194 + 174043884195.

It is an arithmetic number, because the mean of its divisors is an integer number (174043884195).

Almost surely, 2^348087768389 is an apocalyptic number.

It is an amenable number.

348087768389 is a deficient number, since it is larger than the sum of its proper divisors (1).

348087768389 is an equidigital number, since it uses as much as digits as its factorization.

348087768389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 390168576, while the sum is 71.

The spelling of 348087768389 in words is "three hundred forty-eight billion, eighty-seven million, seven hundred sixty-eight thousand, three hundred eighty-nine".