3774860609321 has 2 divisors, whose sum is σ = 3774860609322. Its totient is φ = 3774860609320.

The previous prime is 3774860609279. The next prime is 3774860609347. The reversal of 3774860609321 is 1239060684773.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3491236195225 + 283624414096 = 1868485^2 + 532564^2 .

It is an emirp because it is prime and its reverse (1239060684773) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3774860609321 is a prime.

It is a super-2 number, since 2×3774860609321² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3774860659321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887430304660 + 1887430304661.

It is an arithmetic number, because the mean of its divisors is an integer number (1887430304661).

Almost surely, 2^{3774860609321} is an apocalyptic number.

It is an amenable number.

3774860609321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774860609321 is an equidigital number, since it uses as much as digits as its factorization.

3774860609321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 56.

The spelling of 3774860609321 in words is "three trillion, seven hundred seventy-four billion, eight hundred sixty million, six hundred nine thousand, three hundred twenty-one".