5539437823 has 2 divisors, whose sum is σ = 5539437824. Its totient is φ = 5539437822.

The previous prime is 5539437817. The next prime is 5539437853. The reversal of 5539437823 is 3287349355.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5539437823 - 2²¹ = 5537340671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5539437853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2769718911 + 2769718912.

It is an arithmetic number, because the mean of its divisors is an integer number (2769718912).

Almost surely, 2^5539437823 is an apocalyptic number.

5539437823 is a deficient number, since it is larger than the sum of its proper divisors (1).

5539437823 is an equidigital number, since it uses as much as digits as its factorization.

5539437823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 49.

The square root of 5539437823 is about 74427.3996791504. The cubic root of 5539437823 is about 1769.3831916150.

The spelling of 5539437823 in words is "five billion, five hundred thirty-nine million, four hundred thirty-seven thousand, eight hundred twenty-three".