3894112207369 has 2 divisors, whose sum is σ = 3894112207370. Its totient is φ = 3894112207368.

The previous prime is 3894112207339. The next prime is 3894112207409. The reversal of 3894112207369 is 9637022114983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3817666593225 + 76445614144 = 1953885^2 + 276488^2 .

It is a cyclic number.

It is not a de Polignac number, because 3894112207369 - 2³³ = 3885522272777 is a prime.

It is a super-2 number, since 2×3894112207369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3894112207339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1947056103684 + 1947056103685.

It is an arithmetic number, because the mean of its divisors is an integer number (1947056103685).

Almost surely, 2^{3894112207369} is an apocalyptic number.

It is an amenable number.

3894112207369 is a deficient number, since it is larger than the sum of its proper divisors (1).

3894112207369 is an equidigital number, since it uses as much as digits as its factorization.

3894112207369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 55.

The spelling of 3894112207369 in words is "three trillion, eight hundred ninety-four billion, one hundred twelve million, two hundred seven thousand, three hundred sixty-nine".