20498333001719 has 2 divisors, whose sum is σ = 20498333001720. Its totient is φ = 20498333001718.

The previous prime is 20498333001691. The next prime is 20498333001767. The reversal of 20498333001719 is 91710033389402.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20498333001719 is a prime.

It is a super-2 number, since 2×20498333001719² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20498333001779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10249166500859 + 10249166500860.

It is an arithmetic number, because the mean of its divisors is an integer number (10249166500860).

Almost surely, 2^{20498333001719} is an apocalyptic number.

20498333001719 is a deficient number, since it is larger than the sum of its proper divisors (1).

20498333001719 is an equidigital number, since it uses as much as digits as its factorization.

20498333001719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 979776, while the sum is 50.

The spelling of 20498333001719 in words is "twenty trillion, four hundred ninety-eight billion, three hundred thirty-three million, one thousand, seven hundred nineteen".