3746386338889 has 2 divisors, whose sum is σ = 3746386338890. Its totient is φ = 3746386338888.

The previous prime is 3746386338887. The next prime is 3746386338899. The reversal of 3746386338889 is 9888336836473.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3672569796025 + 73816542864 = 1916395^2 + 271692^2 .

It is a cyclic number.

It is not a de Polignac number, because 3746386338889 - 2¹ = 3746386338887 is a prime.

Together with 3746386338887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3746386338887) 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, 1873193169444 + 1873193169445.

It is an arithmetic number, because the mean of its divisors is an integer number (1873193169445).

Almost surely, 2^{3746386338889} is an apocalyptic number.

It is an amenable number.

3746386338889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3746386338889 is an equidigital number, since it uses as much as digits as its factorization.

3746386338889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3009871872, while the sum is 76.

The spelling of 3746386338889 in words is "three trillion, seven hundred forty-six billion, three hundred eighty-six million, three hundred thirty-eight thousand, eight hundred eighty-nine".