3421234635556 has 12 divisors (see below), whose sum is σ = 6030862515468. Its totient is φ = 1698131059712.

The previous prime is 3421234635551. The next prime is 3421234635607. The reversal of 3421234635556 is 6555364321243.

It can be written as a sum of positive squares in 2 ways, for example, as 1129692636900 + 2291541998656 = 1062870^2 + 1513784^2 .

It is a super-2 number, since 2×3421234635556² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3421234635551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3121563901 + ... + 3121564996.

It is an arithmetic number, because the mean of its divisors is an integer number (502571876289).

Almost surely, 2^{3421234635556} is an apocalyptic number.

It is an amenable number.

3421234635556 is a deficient number, since it is larger than the sum of its proper divisors (2609627879912).

3421234635556 is a wasteful number, since it uses less digits than its factorization.

3421234635556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6243129038 (or 6243129036 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 49.

Adding to 3421234635556 its reverse (6555364321243), we get a palindrome (9976598956799).

The spelling of 3421234635556 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-four million, six hundred thirty-five thousand, five hundred fifty-six".