213002444043 has 40 divisors (see below), whose sum is σ = 320085501120. Its totient is φ = 141157572480.

The previous prime is 213002444041. The next prime is 213002444047. The reversal of 213002444043 is 340444200312.

It is a happy number.

213002444043 is a `hidden beast` number, since 2 + 13 + 0 + 0 + 244 + 404 + 3 = 666.

It is not a de Polignac number, because 213002444043 - 2¹ = 213002444041 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 213002443998 and 213002444016.

It is not an unprimeable number, because it can be changed into a prime (213002444041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9946878 + ... + 9968268.

It is an arithmetic number, because the mean of its divisors is an integer number (8002137528).

Almost surely, 2^213002444043 is an apocalyptic number.

213002444043 is a deficient number, since it is larger than the sum of its proper divisors (107083057077).

213002444043 is a wasteful number, since it uses less digits than its factorization.

213002444043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22129 (or 22120 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 213002444043 its reverse (340444200312), we get a palindrome (553446644355).

The spelling of 213002444043 in words is "two hundred thirteen billion, two million, four hundred forty-four thousand, forty-three".