346826628643 has 4 divisors (see below), whose sum is σ = 378356322168. Its totient is φ = 315296935120.

The previous prime is 346826628619. The next prime is 346826628661.

346826628643 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 346826628643 - 2²¹ = 346824531491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (346826628143) 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 in 3 ways as a sum of consecutive naturals, for example, 15764846746 + ... + 15764846767.

It is an arithmetic number, because the mean of its divisors is an integer number (94589080542).

Almost surely, 2^346826628643 is an apocalyptic number.

346826628643 is a deficient number, since it is larger than the sum of its proper divisors (31529693525).

346826628643 is a wasteful number, since it uses less digits than its factorization.

346826628643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31529693524.

The product of its digits is 47775744, while the sum is 58.

The spelling of 346826628643 in words is "three hundred forty-six billion, eight hundred twenty-six million, six hundred twenty-eight thousand, six hundred forty-three".