5371219783421 has 4 divisors (see below), whose sum is σ = 5371256981244. Its totient is φ = 5371182585600.

The previous prime is 5371219783417. The next prime is 5371219783429. The reversal of 5371219783421 is 1243879121735.

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 1785457164100 + 3585762619321 = 1336210^2 + 1893611^2 .

It is a cyclic number.

It is not a de Polignac number, because 5371219783421 - 2² = 5371219783417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5371219783429) 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, 18381470 + ... + 18671391.

It is an arithmetic number, because the mean of its divisors is an integer number (1342814245311).

Almost surely, 2^{5371219783421} is an apocalyptic number.

It is an amenable number.

5371219783421 is a deficient number, since it is larger than the sum of its proper divisors (37197823).

5371219783421 is a wasteful number, since it uses less digits than its factorization.

5371219783421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37197822.

The product of its digits is 2540160, while the sum is 53.

The spelling of 5371219783421 in words is "five trillion, three hundred seventy-one billion, two hundred nineteen million, seven hundred eighty-three thousand, four hundred twenty-one".