348275438557 has 4 divisors (see below), whose sum is σ = 353180726496. Its totient is φ = 343370150620.

The previous prime is 348275438521. The next prime is 348275438591. The reversal of 348275438557 is 755834572843.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 348275438557 - 2¹⁹ = 348274914269 is a prime.

It is a super-2 number, since 2×348275438557² (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 = 348275438495 and 348275438504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348275438507) 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, 2452643863 + ... + 2452644004.

It is an arithmetic number, because the mean of its divisors is an integer number (88295181624).

Almost surely, 2^348275438557 is an apocalyptic number.

It is an amenable number.

348275438557 is a deficient number, since it is larger than the sum of its proper divisors (4905287939).

348275438557 is an equidigital number, since it uses as much as digits as its factorization.

348275438557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4905287938.

The product of its digits is 112896000, while the sum is 61.

The spelling of 348275438557 in words is "three hundred forty-eight billion, two hundred seventy-five million, four hundred thirty-eight thousand, five hundred fifty-seven".