2680433009 has 2 divisors, whose sum is σ = 2680433010. Its totient is φ = 2680433008.

The previous prime is 2680432991. The next prime is 2680433059. The reversal of 2680433009 is 9003340862.

It is a happy number.

2680433009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2680339984 + 93025 = 51772^2 + 305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2680433009 is a prime.

It is a super-2 number, since 2×2680433009² = 14369442231473588162, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2680433009.

It is not a weakly prime, because it can be changed into another prime (2680433059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340216504 + 1340216505.

It is an arithmetic number, because the mean of its divisors is an integer number (1340216505).

Almost surely, 2^2680433009 is an apocalyptic number.

It is an amenable number.

2680433009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680433009 is an equidigital number, since it uses as much as digits as its factorization.

2680433009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 2680433009 is about 51772.8984025426. The cubic root of 2680433009 is about 1389.1047163407.

The spelling of 2680433009 in words is "two billion, six hundred eighty million, four hundred thirty-three thousand, nine".