2243341553521 has 8 divisors (see below), whose sum is σ = 2254877585064. Its totient is φ = 2231821829760.

The previous prime is 2243341553507. The next prime is 2243341553543. The reversal of 2243341553521 is 1253551433422.

It can be written as a sum of positive squares in 4 ways, for example, as 62580525921 + 2180761027600 = 250161^2 + 1476740^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2243341553521 - 2⁷ = 2243341553393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243341553561) 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 7 ways as a sum of consecutive naturals, for example, 3801066 + ... + 4351411.

It is an arithmetic number, because the mean of its divisors is an integer number (281859698133).

Almost surely, 2^{2243341553521} is an apocalyptic number.

It is an amenable number.

2243341553521 is a deficient number, since it is larger than the sum of its proper divisors (11536031543).

2243341553521 is a wasteful number, since it uses less digits than its factorization.

2243341553521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8153891.

The product of its digits is 432000, while the sum is 40.

Adding to 2243341553521 its reverse (1253551433422), we get a palindrome (3496892986943).

The spelling of 2243341553521 in words is "two trillion, two hundred forty-three billion, three hundred forty-one million, five hundred fifty-three thousand, five hundred twenty-one".