516345063979 has 2 divisors, whose sum is σ = 516345063980. Its totient is φ = 516345063978.

The previous prime is 516345063917. The next prime is 516345063989. The reversal of 516345063979 is 979360543615.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 516345063979 - 2⁹ = 516345063467 is a prime.

It is a super-2 number, since 2×516345063979² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (516345063989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258172531989 + 258172531990.

It is an arithmetic number, because the mean of its divisors is an integer number (258172531990).

Almost surely, 2^516345063979 is an apocalyptic number.

516345063979 is a deficient number, since it is larger than the sum of its proper divisors (1).

516345063979 is an equidigital number, since it uses as much as digits as its factorization.

516345063979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18370800, while the sum is 58.

The spelling of 516345063979 in words is "five hundred sixteen billion, three hundred forty-five million, sixty-three thousand, nine hundred seventy-nine".