6650061655213 has 2 divisors, whose sum is σ = 6650061655214. Its totient is φ = 6650061655212.

The previous prime is 6650061655129. The next prime is 6650061655253. The reversal of 6650061655213 is 3125561600566.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6637903946569 + 12157708644 = 2576413^2 + 110262^2 .

It is a cyclic number.

It is not a de Polignac number, because 6650061655213 - 2²¹ = 6650059558061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6650061655253) 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, 3325030827606 + 3325030827607.

It is an arithmetic number, because the mean of its divisors is an integer number (3325030827607).

Almost surely, 2^{6650061655213} is an apocalyptic number.

It is an amenable number.

6650061655213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650061655213 is an equidigital number, since it uses as much as digits as its factorization.

6650061655213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 6650061655213 in words is "six trillion, six hundred fifty billion, sixty-one million, six hundred fifty-five thousand, two hundred thirteen".