3066700136921 has 2 divisors, whose sum is σ = 3066700136922. Its totient is φ = 3066700136920.

The previous prime is 3066700136813. The next prime is 3066700136987. The reversal of 3066700136921 is 1296310076603.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1923214240000 + 1143485896921 = 1386800^2 + 1069339^2 .

It is a cyclic number.

It is not a de Polignac number, because 3066700136921 - 2²² = 3066695942617 is a prime.

It is not a weakly prime, because it can be changed into another prime (3066700132921) 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, 1533350068460 + 1533350068461.

It is an arithmetic number, because the mean of its divisors is an integer number (1533350068461).

Almost surely, 2^{3066700136921} is an apocalyptic number.

It is an amenable number.

3066700136921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3066700136921 is an equidigital number, since it uses as much as digits as its factorization.

3066700136921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 44.

The spelling of 3066700136921 in words is "three trillion, sixty-six billion, seven hundred million, one hundred thirty-six thousand, nine hundred twenty-one".