2662601009 has 2 divisors, whose sum is σ = 2662601010. Its totient is φ = 2662601008.

The previous prime is 2662600973. The next prime is 2662601023. The reversal of 2662601009 is 9001062662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2415231025 + 247369984 = 49145^2 + 15728^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2662601009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2662600009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331300504 + 1331300505.

It is an arithmetic number, because the mean of its divisors is an integer number (1331300505).

Almost surely, 2^2662601009 is an apocalyptic number.

It is an amenable number.

2662601009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2662601009 is an equidigital number, since it uses as much as digits as its factorization.

2662601009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2662601009 is about 51600.3973725009. The cubic root of 2662601009 is about 1386.0174478472.

The spelling of 2662601009 in words is "two billion, six hundred sixty-two million, six hundred one thousand, nine".