1894327083349 has 2 divisors, whose sum is σ = 1894327083350. Its totient is φ = 1894327083348.

The previous prime is 1894327083347. The next prime is 1894327083361. The reversal of 1894327083349 is 9433807234981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1357341502500 + 536985580849 = 1165050^2 + 732793^2 .

It is an emirp because it is prime and its reverse (9433807234981) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1894327083349 - 2¹ = 1894327083347 is a prime.

Together with 1894327083347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1894327083347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 947163541674 + 947163541675.

It is an arithmetic number, because the mean of its divisors is an integer number (947163541675).

Almost surely, 2^{1894327083349} is an apocalyptic number.

It is an amenable number.

1894327083349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1894327083349 is an equidigital number, since it uses as much as digits as its factorization.

1894327083349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 1894327083349 in words is "one trillion, eight hundred ninety-four billion, three hundred twenty-seven million, eighty-three thousand, three hundred forty-nine".