1641222145033 has 4 divisors (see below), whose sum is σ = 1641352651540. Its totient is φ = 1641091638528.

The previous prime is 1641222145007. The next prime is 1641222145099. The reversal of 1641222145033 is 3305412221461.

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 1576498714569 + 64723430464 = 1255587^2 + 254408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1641222145033 - 2²⁹ = 1640685274121 is a prime.

It is a super-2 number, since 2×1641222145033² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1641222145033.

It is not an unprimeable number, because it can be changed into a prime (1641222145333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65234388 + ... + 65259541.

It is an arithmetic number, because the mean of its divisors is an integer number (410338162885).

Almost surely, 2^{1641222145033} is an apocalyptic number.

It is an amenable number.

1641222145033 is a deficient number, since it is larger than the sum of its proper divisors (130506507).

1641222145033 is a wasteful number, since it uses less digits than its factorization.

1641222145033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130506506.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 1641222145033 its reverse (3305412221461), we get a palindrome (4946634366494).

The spelling of 1641222145033 in words is "one trillion, six hundred forty-one billion, two hundred twenty-two million, one hundred forty-five thousand, thirty-three".