21032413201043 has 4 divisors (see below), whose sum is σ = 21033876950760. Its totient is φ = 21030949451328.

The previous prime is 21032413201003. The next prime is 21032413201097. The reversal of 21032413201043 is 34010231423012.

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

It is a cyclic number.

It is not a de Polignac number, because 21032413201043 - 2²⁶ = 21032346092179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21032413201003) 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 3 ways as a sum of consecutive naturals, for example, 731853305 + ... + 731882042.

It is an arithmetic number, because the mean of its divisors is an integer number (5258469237690).

Almost surely, 2^{21032413201043} is an apocalyptic number.

21032413201043 is a deficient number, since it is larger than the sum of its proper divisors (1463749717).

21032413201043 is a wasteful number, since it uses less digits than its factorization.

21032413201043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463749716.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 21032413201043 its reverse (34010231423012), we get a palindrome (55042644624055).

The spelling of 21032413201043 in words is "twenty-one trillion, thirty-two billion, four hundred thirteen million, two hundred one thousand, forty-three".