2043220355153 has 4 divisors (see below), whose sum is σ = 2043812768100. Its totient is φ = 2042627942208.

The previous prime is 2043220355093. The next prime is 2043220355161. The reversal of 2043220355153 is 3515530223402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 353969072209 + 1689251282944 = 594953^2 + 1299712^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043220355153 - 2²² = 2043216160849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2043220355173) 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, 296201300 + ... + 296208197.

It is an arithmetic number, because the mean of its divisors is an integer number (510953192025).

Almost surely, 2^{2043220355153} is an apocalyptic number.

It is an amenable number.

2043220355153 is a deficient number, since it is larger than the sum of its proper divisors (592412947).

2043220355153 is an equidigital number, since it uses as much as digits as its factorization.

2043220355153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592412946.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 2043220355153 its reverse (3515530223402), we get a palindrome (5558750578555).

The spelling of 2043220355153 in words is "two trillion, forty-three billion, two hundred twenty million, three hundred fifty-five thousand, one hundred fifty-three".