5145351209 has 2 divisors, whose sum is σ = 5145351210. Its totient is φ = 5145351208.

The previous prime is 5145351203. The next prime is 5145351217. The reversal of 5145351209 is 9021535415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4070822809 + 1074528400 = 63803^2 + 32780^2 .

It is a cyclic number.

It is not a de Polignac number, because 5145351209 - 2⁴ = 5145351193 is a prime.

It is not a weakly prime, because it can be changed into another prime (5145351203) 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, 2572675604 + 2572675605.

It is an arithmetic number, because the mean of its divisors is an integer number (2572675605).

Almost surely, 2^5145351209 is an apocalyptic number.

It is an amenable number.

5145351209 is a deficient number, since it is larger than the sum of its proper divisors (1).

5145351209 is an equidigital number, since it uses as much as digits as its factorization.

5145351209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 5145351209 is about 71731.1034977157. The cubic root of 5145351209 is about 1726.3877325832.

The spelling of 5145351209 in words is "five billion, one hundred forty-five million, three hundred fifty-one thousand, two hundred nine".