348694593869 has 4 divisors (see below), whose sum is σ = 349499893596. Its totient is φ = 347889294144.

The previous prime is 348694593857. The next prime is 348694593941. The reversal of 348694593869 is 968395496843.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 968395496843 = 29 ⋅33392948167.

It can be written as a sum of positive squares in 2 ways, for example, as 190827438244 + 157867155625 = 436838^2 + 397325^2 .

It is a cyclic number.

It is not a de Polignac number, because 348694593869 - 2⁴ = 348694593853 is a prime.

It is a super-2 number, since 2×348694593869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 348694593796 and 348694593805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348694593809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402649214 + ... + 402650079.

It is an arithmetic number, because the mean of its divisors is an integer number (87374973399).

Almost surely, 2^348694593869 is an apocalyptic number.

It is an amenable number.

348694593869 is a deficient number, since it is larger than the sum of its proper divisors (805299727).

348694593869 is an equidigital number, since it uses as much as digits as its factorization.

348694593869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805299726.

The product of its digits is 1209323520, while the sum is 74.

The spelling of 348694593869 in words is "three hundred forty-eight billion, six hundred ninety-four million, five hundred ninety-three thousand, eight hundred sixty-nine".