7103212609 has 2 divisors, whose sum is σ = 7103212610. Its totient is φ = 7103212608.

The previous prime is 7103212591. The next prime is 7103212637. The reversal of 7103212609 is 9062123017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6975590400 + 127622209 = 83520^2 + 11297^2 .

It is a cyclic number.

It is not a de Polignac number, because 7103212609 - 2¹⁵ = 7103179841 is a prime.

It is not a weakly prime, because it can be changed into another prime (7103212639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3551606304 + 3551606305.

It is an arithmetic number, because the mean of its divisors is an integer number (3551606305).

Almost surely, 2^7103212609 is an apocalyptic number.

It is an amenable number.

7103212609 is a deficient number, since it is larger than the sum of its proper divisors (1).

7103212609 is an equidigital number, since it uses as much as digits as its factorization.

7103212609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 7103212609 is about 84280.5589029878. The cubic root of 7103212609 is about 1922.2871876055.

The spelling of 7103212609 in words is "seven billion, one hundred three million, two hundred twelve thousand, six hundred nine".