1850049485789 has 2 divisors, whose sum is σ = 1850049485790. Its totient is φ = 1850049485788.

The previous prime is 1850049485771. The next prime is 1850049485807. The reversal of 1850049485789 is 9875849400581.

It is a balanced prime because it is at equal distance from previous prime (1850049485771) and next prime (1850049485807).

It can be written as a sum of positive squares in only one way, i.e., 1836724246564 + 13325239225 = 1355258^2 + 115435^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1850049485789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1850049425789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925024742894 + 925024742895.

It is an arithmetic number, because the mean of its divisors is an integer number (925024742895).

Almost surely, 2^{1850049485789} is an apocalyptic number.

It is an amenable number.

1850049485789 is a deficient number, since it is larger than the sum of its proper divisors (1).

1850049485789 is an equidigital number, since it uses as much as digits as its factorization.

1850049485789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116121600, while the sum is 68.

The spelling of 1850049485789 in words is "one trillion, eight hundred fifty billion, forty-nine million, four hundred eighty-five thousand, seven hundred eighty-nine".