7169620009 has 2 divisors, whose sum is σ = 7169620010. Its totient is φ = 7169620008.

The previous prime is 7169619979. The next prime is 7169620013. The reversal of 7169620009 is 9000269617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5944410000 + 1225210009 = 77100^2 + 35003^2 .

It is a cyclic number.

It is not a de Polignac number, because 7169620009 - 2¹³ = 7169611817 is a prime.

It is not a weakly prime, because it can be changed into another prime (7169620019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3584810004 + 3584810005.

It is an arithmetic number, because the mean of its divisors is an integer number (3584810005).

Almost surely, 2^7169620009 is an apocalyptic number.

It is an amenable number.

7169620009 is a deficient number, since it is larger than the sum of its proper divisors (1).

7169620009 is an equidigital number, since it uses as much as digits as its factorization.

7169620009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 7169620009 is about 84673.6086924373. The cubic root of 7169620009 is about 1928.2590553154.

The spelling of 7169620009 in words is "seven billion, one hundred sixty-nine million, six hundred twenty thousand, nine".