5021343003421 has 4 divisors (see below), whose sum is σ = 5021393618844. Its totient is φ = 5021292388000.

The previous prime is 5021343003401. The next prime is 5021343003517. The reversal of 5021343003421 is 1243003431205.

It is a happy number.

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 3108891872025 + 1912451131396 = 1763205^2 + 1382914^2 .

It is a cyclic number.

It is not a de Polignac number, because 5021343003421 - 2⁵ = 5021343003389 is a prime.

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 5021343003421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5021343003401) 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 3 ways as a sum of consecutive naturals, for example, 25158610 + ... + 25357411.

It is an arithmetic number, because the mean of its divisors is an integer number (1255348404711).

Almost surely, 2^{5021343003421} is an apocalyptic number.

It is an amenable number.

5021343003421 is a deficient number, since it is larger than the sum of its proper divisors (50615423).

5021343003421 is an equidigital number, since it uses as much as digits as its factorization.

5021343003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50615422.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 5021343003421 its reverse (1243003431205), we get a palindrome (6264346434626).

The spelling of 5021343003421 in words is "five trillion, twenty-one billion, three hundred forty-three million, three thousand, four hundred twenty-one".