518962849 has 2 divisors, whose sum is σ = 518962850. Its totient is φ = 518962848.

The previous prime is 518962841. The next prime is 518962867. The reversal of 518962849 is 948269815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 472627600 + 46335249 = 21740^2 + 6807^2 .

It is a cyclic number.

It is not a de Polignac number, because 518962849 - 2³ = 518962841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 518962796 and 518962805.

It is not a weakly prime, because it can be changed into another prime (518962841) 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, 259481424 + 259481425.

It is an arithmetic number, because the mean of its divisors is an integer number (259481425).

Almost surely, 2^518962849 is an apocalyptic number.

It is an amenable number.

518962849 is a deficient number, since it is larger than the sum of its proper divisors (1).

518962849 is an equidigital number, since it uses as much as digits as its factorization.

518962849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1244160, while the sum is 52.

The square root of 518962849 is about 22780.7561112444. The cubic root of 518962849 is about 803.6101677091.

It can be divided in two parts, 51896 and 2849, that added together give a palindrome (54745).

The spelling of 518962849 in words is "five hundred eighteen million, nine hundred sixty-two thousand, eight hundred forty-nine".