2668087651 has 2 divisors, whose sum is σ = 2668087652. Its totient is φ = 2668087650.

The previous prime is 2668087579. The next prime is 2668087703. The reversal of 2668087651 is 1567808662.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2668087651 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2668087595 and 2668087604.

It is not a weakly prime, because it can be changed into another prime (2665087651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334043825 + 1334043826.

It is an arithmetic number, because the mean of its divisors is an integer number (1334043826).

Almost surely, 2^2668087651 is an apocalyptic number.

2668087651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668087651 is an equidigital number, since it uses as much as digits as its factorization.

2668087651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 49.

The square root of 2668087651 is about 51653.5347386798. The cubic root of 2668087651 is about 1386.9688188402.

The spelling of 2668087651 in words is "two billion, six hundred sixty-eight million, eighty-seven thousand, six hundred fifty-one".