2761668210461 has 2 divisors, whose sum is σ = 2761668210462. Its totient is φ = 2761668210460.

The previous prime is 2761668210449. The next prime is 2761668210529. The reversal of 2761668210461 is 1640128661672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2183505673561 + 578162536900 = 1477669^2 + 760370^2 .

It is a cyclic number.

It is not a de Polignac number, because 2761668210461 - 2¹⁰ = 2761668209437 is a prime.

It is a super-2 number, since 2×2761668210461² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2761668210761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1380834105230 + 1380834105231.

It is an arithmetic number, because the mean of its divisors is an integer number (1380834105231).

Almost surely, 2^{2761668210461} is an apocalyptic number.

It is an amenable number.

2761668210461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2761668210461 is an equidigital number, since it uses as much as digits as its factorization.

2761668210461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The spelling of 2761668210461 in words is "two trillion, seven hundred sixty-one billion, six hundred sixty-eight million, two hundred ten thousand, four hundred sixty-one".