1960009609 has 2 divisors, whose sum is σ = 1960009610. Its totient is φ = 1960009608.

The previous prime is 1960009567. The next prime is 1960009673. The reversal of 1960009609 is 9069000691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1899216400 + 60793209 = 43580^2 + 7797^2 .

It is a cyclic number.

It is not a de Polignac number, because 1960009609 - 2⁹ = 1960009097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1960004609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 980004804 + 980004805.

It is an arithmetic number, because the mean of its divisors is an integer number (980004805).

Almost surely, 2^1960009609 is an apocalyptic number.

It is an amenable number.

1960009609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1960009609 is an equidigital number, since it uses as much as digits as its factorization.

1960009609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 40.

The square root of 1960009609 is about 44271.9957648173. The cubic root of 1960009609 is about 1251.4669942554.

The spelling of 1960009609 in words is "one billion, nine hundred sixty million, nine thousand, six hundred nine".