1980298029803 has 2 divisors, whose sum is σ = 1980298029804. Its totient is φ = 1980298029802.

The previous prime is 1980298029719. The next prime is 1980298029823. The reversal of 1980298029803 is 3089208920891.

It is a strong prime.

It is an emirp because it is prime and its reverse (3089208920891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1980298029803 - 2¹² = 1980298025707 is a prime.

It is not a weakly prime, because it can be changed into another prime (1980298029823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 990149014901 + 990149014902.

It is an arithmetic number, because the mean of its divisors is an integer number (990149014902).

Almost surely, 2^{1980298029803} is an apocalyptic number.

1980298029803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1980298029803 is an equidigital number, since it uses as much as digits as its factorization.

1980298029803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 59.

The spelling of 1980298029803 in words is "one trillion, nine hundred eighty billion, two hundred ninety-eight million, twenty-nine thousand, eight hundred three".