7107688009 has 2 divisors, whose sum is σ = 7107688010. Its totient is φ = 7107688008.

The previous prime is 7107687991. The next prime is 7107688019. The reversal of 7107688009 is 9008867017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3667513600 + 3440174409 = 60560^2 + 58653^2 .

It is a cyclic number.

It is not a de Polignac number, because 7107688009 - 2⁹ = 7107687497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7107688009.

It is not a weakly prime, because it can be changed into another prime (7107688019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3553844004 + 3553844005.

It is an arithmetic number, because the mean of its divisors is an integer number (3553844005).

Almost surely, 2^7107688009 is an apocalyptic number.

It is an amenable number.

7107688009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7107688009 is an equidigital number, since it uses as much as digits as its factorization.

7107688009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 46.

The square root of 7107688009 is about 84307.1053292663. The cubic root of 7107688009 is about 1922.6908170805.

The spelling of 7107688009 in words is "seven billion, one hundred seven million, six hundred eighty-eight thousand, nine".