16803144137489 has 2 divisors, whose sum is σ = 16803144137490. Its totient is φ = 16803144137488.

The previous prime is 16803144137467. The next prime is 16803144137531. The reversal of 16803144137489 is 98473144130861.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15794003343889 + 1009140793600 = 3974167^2 + 1004560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16803144137489 is a prime.

It is not a weakly prime, because it can be changed into another prime (16803144134489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8401572068744 + 8401572068745.

It is an arithmetic number, because the mean of its divisors is an integer number (8401572068745).

Almost surely, 2^{16803144137489} is an apocalyptic number.

It is an amenable number.

16803144137489 is a deficient number, since it is larger than the sum of its proper divisors (1).

16803144137489 is an equidigital number, since it uses as much as digits as its factorization.

16803144137489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13934592, while the sum is 59.

The spelling of 16803144137489 in words is "sixteen trillion, eight hundred three billion, one hundred forty-four million, one hundred thirty-seven thousand, four hundred eighty-nine".