346826628644 has 6 divisors (see below), whose sum is σ = 606946600134. Its totient is φ = 173413314320.

The previous prime is 346826628619. The next prime is 346826628661. The reversal of 346826628644 is 446826628643.

It can be written as a sum of positive squares in only one way, i.e., 346318126144 + 508502500 = 588488^2 + 22550^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43353328577 + ... + 43353328584.

It is an arithmetic number, because the mean of its divisors is an integer number (101157766689).

Almost surely, 2^346826628644 is an apocalyptic number.

It is an amenable number.

346826628644 is a deficient number, since it is larger than the sum of its proper divisors (260119971490).

346826628644 is a wasteful number, since it uses less digits than its factorization.

346826628644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86706657165 (or 86706657163 counting only the distinct ones).

The product of its digits is 63700992, while the sum is 59.

Subtracting 346826628644 from its reverse (446826628643), we obtain a palindrome (99999999999).

The spelling of 346826628644 in words is "three hundred forty-six billion, eight hundred twenty-six million, six hundred twenty-eight thousand, six hundred forty-four".