348763685789 has 2 divisors, whose sum is σ = 348763685790. Its totient is φ = 348763685788.

The previous prime is 348763685783. The next prime is 348763685821. The reversal of 348763685789 is 987586367843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 308063851225 + 40699834564 = 555035^2 + 201742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348763685789 is a prime.

It is a super-2 number, since 2×348763685789² (a number of 24 digits) contains 22 as substring.

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 (348763685783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174381842894 + 174381842895.

It is an arithmetic number, because the mean of its divisors is an integer number (174381842895).

Almost surely, 2^348763685789 is an apocalyptic number.

It is an amenable number.

348763685789 is a deficient number, since it is larger than the sum of its proper divisors (1).

348763685789 is an equidigital number, since it uses as much as digits as its factorization.

348763685789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1463132160, while the sum is 74.

The spelling of 348763685789 in words is "three hundred forty-eight billion, seven hundred sixty-three million, six hundred eighty-five thousand, seven hundred eighty-nine".