5406544679 has 2 divisors, whose sum is σ = 5406544680. Its totient is φ = 5406544678.

The previous prime is 5406544669. The next prime is 5406544687. The reversal of 5406544679 is 9764456045.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5406544679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5406544609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2703272339 + 2703272340.

It is an arithmetic number, because the mean of its divisors is an integer number (2703272340).

Almost surely, 2^5406544679 is an apocalyptic number.

5406544679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5406544679 is an equidigital number, since it uses as much as digits as its factorization.

5406544679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The square root of 5406544679 is about 73529.2096992753. The cubic root of 5406544679 is about 1755.1191255789.

The spelling of 5406544679 in words is "five billion, four hundred six million, five hundred forty-four thousand, six hundred seventy-nine".