2664680461 has 2 divisors, whose sum is σ = 2664680462. Its totient is φ = 2664680460.

The previous prime is 2664680437. The next prime is 2664680471. The reversal of 2664680461 is 1640864662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2658949225 + 5731236 = 51565^2 + 2394^2 .

It is a cyclic number.

It is not a de Polignac number, because 2664680461 - 2⁵ = 2664680429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2664680471) 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, 1332340230 + 1332340231.

It is an arithmetic number, because the mean of its divisors is an integer number (1332340231).

Almost surely, 2^2664680461 is an apocalyptic number.

It is an amenable number.

2664680461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2664680461 is an equidigital number, since it uses as much as digits as its factorization.

2664680461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 2664680461 is about 51620.5430134167. The cubic root of 2664680461 is about 1386.3781736641.

The spelling of 2664680461 in words is "two billion, six hundred sixty-four million, six hundred eighty thousand, four hundred sixty-one".