516303427447 has 2 divisors, whose sum is σ = 516303427448. Its totient is φ = 516303427446.

The previous prime is 516303427411. The next prime is 516303427579. The reversal of 516303427447 is 744724303615.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516303427447 - 2²³ = 516295038839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516303427397 and 516303427406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (516303427747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258151713723 + 258151713724.

It is an arithmetic number, because the mean of its divisors is an integer number (258151713724).

Almost surely, 2^516303427447 is an apocalyptic number.

516303427447 is a deficient number, since it is larger than the sum of its proper divisors (1).

516303427447 is an equidigital number, since it uses as much as digits as its factorization.

516303427447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 46.

The spelling of 516303427447 in words is "five hundred sixteen billion, three hundred three million, four hundred twenty-seven thousand, four hundred forty-seven".