1003840001849 has 2 divisors, whose sum is σ = 1003840001850. Its totient is φ = 1003840001848.

The previous prime is 1003840001831. The next prime is 1003840001861. The reversal of 1003840001849 is 9481000483001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813017805625 + 190822196224 = 901675^2 + 436832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1003840001849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003840003849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501920000924 + 501920000925.

It is an arithmetic number, because the mean of its divisors is an integer number (501920000925).

Almost surely, 2^{1003840001849} is an apocalyptic number.

It is an amenable number.

1003840001849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003840001849 is an equidigital number, since it uses as much as digits as its factorization.

1003840001849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 1003840001849 in words is "one trillion, three billion, eight hundred forty million, one thousand, eight hundred forty-nine".