2667840001 has 2 divisors, whose sum is σ = 2667840002. Its totient is φ = 2667840000.

The previous prime is 2667839963. The next prime is 2667840011. The reversal of 2667840001 is 1000487662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2660083776 + 7756225 = 51576^2 + 2785^2 .

It is a cyclic number.

It is not a de Polignac number, because 2667840001 - 2⁷ = 2667839873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2667840011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333920000 + 1333920001.

It is an arithmetic number, because the mean of its divisors is an integer number (1333920001).

Almost surely, 2^2667840001 is an apocalyptic number.

It is an amenable number.

2667840001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2667840001 is an equidigital number, since it uses as much as digits as its factorization.

2667840001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2667840001 is about 51651.1374608537. The cubic root of 2667840001 is about 1386.9259050257.

The spelling of 2667840001 in words is "two billion, six hundred sixty-seven million, eight hundred forty thousand, one".