3421234643056 has 20 divisors (see below), whose sum is σ = 6769677061152. Its totient is φ = 1674221207936.

The previous prime is 3421234643053. The next prime is 3421234643077. The reversal of 3421234643056 is 6503464321243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3421234643053) 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, 2274756325 + ... + 2274757828.

Almost surely, 2^{3421234643056} is an apocalyptic number.

It is an amenable number.

3421234643056 is a deficient number, since it is larger than the sum of its proper divisors (3348442418096).

3421234643056 is a wasteful number, since it uses less digits than its factorization.

3421234643056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4549514208 (or 4549514202 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

Adding to 3421234643056 its reverse (6503464321243), we get a palindrome (9924698964299).

The spelling of 3421234643056 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred forty-three thousand, fifty-six".