2707623212561 has 2 divisors, whose sum is σ = 2707623212562. Its totient is φ = 2707623212560.

The previous prime is 2707623212531. The next prime is 2707623212573. The reversal of 2707623212561 is 1652123267072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1918779040000 + 788844172561 = 1385200^2 + 888169^2 .

It is a cyclic number.

It is not a de Polignac number, because 2707623212561 - 2¹⁰ = 2707623211537 is a prime.

It is a super-2 number, since 2×2707623212561² (a number of 26 digits) contains 22 as substring.

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 (2707623212501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1353811606280 + 1353811606281.

It is an arithmetic number, because the mean of its divisors is an integer number (1353811606281).

Almost surely, 2^{2707623212561} is an apocalyptic number.

It is an amenable number.

2707623212561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2707623212561 is an equidigital number, since it uses as much as digits as its factorization.

2707623212561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 2707623212561 in words is "two trillion, seven hundred seven billion, six hundred twenty-three million, two hundred twelve thousand, five hundred sixty-one".