5373416821 has 2 divisors, whose sum is σ = 5373416822. Its totient is φ = 5373416820.

The previous prime is 5373416803. The next prime is 5373416891. The reversal of 5373416821 is 1286143735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5352531921 + 20884900 = 73161^2 + 4570^2 .

It is a cyclic number.

It is not a de Polignac number, because 5373416821 - 2⁷ = 5373416693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5373416801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2686708410 + 2686708411.

It is an arithmetic number, because the mean of its divisors is an integer number (2686708411).

Almost surely, 2^5373416821 is an apocalyptic number.

It is an amenable number.

5373416821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5373416821 is an equidigital number, since it uses as much as digits as its factorization.

5373416821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 5373416821 is about 73303.5935067306. The cubic root of 5373416821 is about 1751.5270286153.

The spelling of 5373416821 in words is "five billion, three hundred seventy-three million, four hundred sixteen thousand, eight hundred twenty-one".