5420806243 has 2 divisors, whose sum is σ = 5420806244. Its totient is φ = 5420806242.

The previous prime is 5420806231. The next prime is 5420806291. The reversal of 5420806243 is 3426080245.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5420806243 - 2¹³ = 5420798051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5420806199 and 5420806208.

It is not a weakly prime, because it can be changed into another prime (5420806213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710403121 + 2710403122.

It is an arithmetic number, because the mean of its divisors is an integer number (2710403122).

Almost surely, 2^5420806243 is an apocalyptic number.

5420806243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420806243 is an equidigital number, since it uses as much as digits as its factorization.

5420806243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 5420806243 is about 73626.1247316467. The cubic root of 5420806243 is about 1756.6610078988.

Adding to 5420806243 its reverse (3426080245), we get a palindrome (8846886488).

The spelling of 5420806243 in words is "five billion, four hundred twenty million, eight hundred six thousand, two hundred forty-three".