1603913049799 has 2 divisors, whose sum is σ = 1603913049800. Its totient is φ = 1603913049798.

The previous prime is 1603913049779. The next prime is 1603913049829. The reversal of 1603913049799 is 9979403193061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1603913049799 - 2⁷ = 1603913049671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1603913049779) 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, 801956524899 + 801956524900.

It is an arithmetic number, because the mean of its divisors is an integer number (801956524900).

Almost surely, 2^{1603913049799} is an apocalyptic number.

1603913049799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1603913049799 is an equidigital number, since it uses as much as digits as its factorization.

1603913049799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9920232, while the sum is 61.

The spelling of 1603913049799 in words is "one trillion, six hundred three billion, nine hundred thirteen million, forty-nine thousand, seven hundred ninety-nine".