516738379 has 2 divisors, whose sum is σ = 516738380. Its totient is φ = 516738378.

The previous prime is 516738377. The next prime is 516738403. The reversal of 516738379 is 973837615.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 516738379 - 2¹ = 516738377 is a prime.

Together with 516738377, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (516738373) 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, 258369189 + 258369190.

It is an arithmetic number, because the mean of its divisors is an integer number (258369190).

Almost surely, 2^516738379 is an apocalyptic number.

516738379 is a deficient number, since it is larger than the sum of its proper divisors (1).

516738379 is an equidigital number, since it uses as much as digits as its factorization.

516738379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560, while the sum is 49.

The square root of 516738379 is about 22731.8802345956. The cubic root of 516738379 is about 802.4603314340.

The spelling of 516738379 in words is "five hundred sixteen million, seven hundred thirty-eight thousand, three hundred seventy-nine".