5121379213 has 2 divisors, whose sum is σ = 5121379214. Its totient is φ = 5121379212.

The previous prime is 5121379201. The next prime is 5121379223. The reversal of 5121379213 is 3129731215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3814050564 + 1307328649 = 61758^2 + 36157^2 .

It is a cyclic number.

It is not a de Polignac number, because 5121379213 - 2⁵ = 5121379181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5121379223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2560689606 + 2560689607.

It is an arithmetic number, because the mean of its divisors is an integer number (2560689607).

Almost surely, 2^5121379213 is an apocalyptic number.

It is an amenable number.

5121379213 is a deficient number, since it is larger than the sum of its proper divisors (1).

5121379213 is an equidigital number, since it uses as much as digits as its factorization.

5121379213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11340, while the sum is 34.

The square root of 5121379213 is about 71563.8121748695. The cubic root of 5121379213 is about 1723.7024998151.

The spelling of 5121379213 in words is "five billion, one hundred twenty-one million, three hundred seventy-nine thousand, two hundred thirteen".