5121708919 has 2 divisors, whose sum is σ = 5121708920. Its totient is φ = 5121708918.

The previous prime is 5121708883. The next prime is 5121708929. The reversal of 5121708919 is 9198071215.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5121708919 - 2¹⁷ = 5121577847 is a prime.

It is a super-2 number, since 2×5121708919² = 52463804501928297122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5121708929) 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, 2560854459 + 2560854460.

It is an arithmetic number, because the mean of its divisors is an integer number (2560854460).

Almost surely, 2^5121708919 is an apocalyptic number.

5121708919 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121708919 is an equidigital number, since it uses as much as digits as its factorization.

5121708919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 43.

The square root of 5121708919 is about 71566.1157182643. The cubic root of 5121708919 is about 1723.7394887353.

The spelling of 5121708919 in words is "five billion, one hundred twenty-one million, seven hundred eight thousand, nine hundred nineteen".