3045669393721 has 2 divisors, whose sum is σ = 3045669393722. Its totient is φ = 3045669393720.

The previous prime is 3045669393691. The next prime is 3045669393749. The reversal of 3045669393721 is 1273939665403.

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., 3045510129321 + 159264400 = 1745139^2 + 12620^2 .

It is an emirp because it is prime and its reverse (1273939665403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3045669393721 - 2⁹ = 3045669393209 is a prime.

It is a super-2 number, since 2×3045669393721² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3045669363721) 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, 1522834696860 + 1522834696861.

It is an arithmetic number, because the mean of its divisors is an integer number (1522834696861).

Almost surely, 2^{3045669393721} is an apocalyptic number.

It is an amenable number.

3045669393721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3045669393721 is an equidigital number, since it uses as much as digits as its factorization.

3045669393721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22044960, while the sum is 58.

The spelling of 3045669393721 in words is "three trillion, forty-five billion, six hundred sixty-nine million, three hundred ninety-three thousand, seven hundred twenty-one".