3213553552244 has 18 divisors (see below), whose sum is σ = 6541876874610. Its totient is φ = 1377237236592.

The previous prime is 3213553552241. The next prime is 3213553552267. The reversal of 3213553552244 is 4422553553123.

It can be written as a sum of positive squares in only one way, i.e., 1943960947600 + 1269592604644 = 1394260^2 + 1126762^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3213553552195 and 3213553552204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213553552241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8197840499 + ... + 8197840890.

It is an arithmetic number, because the mean of its divisors is an integer number (363437604145).

Almost surely, 2^{3213553552244} is an apocalyptic number.

It is an amenable number.

3213553552244 is an abundant number, since it is smaller than the sum of its proper divisors (3328323322366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213553552244 is a wasteful number, since it uses less digits than its factorization.

3213553552244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16395681407 (or 16395681398 counting only the distinct ones).

The product of its digits is 2160000, while the sum is 44.

The spelling of 3213553552244 in words is "three trillion, two hundred thirteen billion, five hundred fifty-three million, five hundred fifty-two thousand, two hundred forty-four".