6690050578333 has 2 divisors, whose sum is σ = 6690050578334. Its totient is φ = 6690050578332.

The previous prime is 6690050578331. The next prime is 6690050578391. The reversal of 6690050578333 is 3338750500966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3671220777849 + 3018829800484 = 1916043^2 + 1737478^2 .

It is a cyclic number.

It is not a de Polignac number, because 6690050578333 - 2¹ = 6690050578331 is a prime.

Together with 6690050578331, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6690050578331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3345025289166 + 3345025289167.

It is an arithmetic number, because the mean of its divisors is an integer number (3345025289167).

Almost surely, 2^{6690050578333} is an apocalyptic number.

It is an amenable number.

6690050578333 is a deficient number, since it is larger than the sum of its proper divisors (1).

6690050578333 is an equidigital number, since it uses as much as digits as its factorization.

6690050578333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 6690050578333 in words is "six trillion, six hundred ninety billion, fifty million, five hundred seventy-eight thousand, three hundred thirty-three".