5541343243 has 2 divisors, whose sum is σ = 5541343244. Its totient is φ = 5541343242.

The previous prime is 5541343207. The next prime is 5541343277. The reversal of 5541343243 is 3423431455.

It is a happy number.

It is an a-pointer prime, because the next prime (5541343277) can be obtained adding 5541343243 to its sum of digits (34).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5541343243 - 2²¹ = 5539246091 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5541343199 and 5541343208.

It is not a weakly prime, because it can be changed into another prime (5541343043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770671621 + 2770671622.

It is an arithmetic number, because the mean of its divisors is an integer number (2770671622).

Almost surely, 2^5541343243 is an apocalyptic number.

5541343243 is a deficient number, since it is larger than the sum of its proper divisors (1).

5541343243 is an equidigital number, since it uses as much as digits as its factorization.

5541343243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 34.

The square root of 5541343243 is about 74440.1991063968. The cubic root of 5541343243 is about 1769.5860420210.

Adding to 5541343243 its reverse (3423431455), we get a palindrome (8964774698).

The spelling of 5541343243 in words is "five billion, five hundred forty-one million, three hundred forty-three thousand, two hundred forty-three".