513958163371 has 2 divisors, whose sum is σ = 513958163372. Its totient is φ = 513958163370.

The previous prime is 513958163281. The next prime is 513958163393. The reversal of 513958163371 is 173361859315.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513958163371 is a prime.

It is not a weakly prime, because it can be changed into another prime (513958163071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256979081685 + 256979081686.

It is an arithmetic number, because the mean of its divisors is an integer number (256979081686).

Almost surely, 2^513958163371 is an apocalyptic number.

513958163371 is a deficient number, since it is larger than the sum of its proper divisors (1).

513958163371 is an equidigital number, since it uses as much as digits as its factorization.

513958163371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 52.

It can be divided in two parts, 513958 and 163371, that added together give a square (677329 = 823²).

The spelling of 513958163371 in words is "five hundred thirteen billion, nine hundred fifty-eight million, one hundred sixty-three thousand, three hundred seventy-one".