2684570663009 has 2 divisors, whose sum is σ = 2684570663010. Its totient is φ = 2684570663008.

The previous prime is 2684570663003. The next prime is 2684570663023. The reversal of 2684570663009 is 9003660754862.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2634930823009 + 49639840000 = 1623247^2 + 222800^2 .

It is a cyclic number.

It is not a de Polignac number, because 2684570663009 - 2⁴ = 2684570662993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2684570663003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342285331504 + 1342285331505.

It is an arithmetic number, because the mean of its divisors is an integer number (1342285331505).

Almost surely, 2^{2684570663009} is an apocalyptic number.

It is an amenable number.

2684570663009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2684570663009 is an equidigital number, since it uses as much as digits as its factorization.

2684570663009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 56.

The spelling of 2684570663009 in words is "two trillion, six hundred eighty-four billion, five hundred seventy million, six hundred sixty-three thousand, nine".