2686073609 has 2 divisors, whose sum is σ = 2686073610. Its totient is φ = 2686073608.

The previous prime is 2686073603. The next prime is 2686073651. The reversal of 2686073609 is 9063706862.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1995855625 + 690217984 = 44675^2 + 26272^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2686073609 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 (2686073603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1343036804 + 1343036805.

It is an arithmetic number, because the mean of its divisors is an integer number (1343036805).

Almost surely, 2^2686073609 is an apocalyptic number.

It is an amenable number.

2686073609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2686073609 is an equidigital number, since it uses as much as digits as its factorization.

2686073609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 2686073609 is about 51827.3442209805. The cubic root of 2686073609 is about 1390.0784264705.

The spelling of 2686073609 in words is "two billion, six hundred eighty-six million, seventy-three thousand, six hundred nine".