16365702042493 has 2 divisors, whose sum is σ = 16365702042494. Its totient is φ = 16365702042492.

The previous prime is 16365702042461. The next prime is 16365702042581. The reversal of 16365702042493 is 39424020756361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13164901952409 + 3200800090084 = 3628347^2 + 1789078^2 .

It is a cyclic number.

It is not a de Polignac number, because 16365702042493 - 2⁵ = 16365702042461 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16365702042493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16365702042593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8182851021246 + 8182851021247.

It is an arithmetic number, because the mean of its divisors is an integer number (8182851021247).

Almost surely, 2^{16365702042493} is an apocalyptic number.

It is an amenable number.

16365702042493 is a deficient number, since it is larger than the sum of its proper divisors (1).

16365702042493 is an equidigital number, since it uses as much as digits as its factorization.

16365702042493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 16365702042493 in words is "sixteen trillion, three hundred sixty-five billion, seven hundred two million, forty-two thousand, four hundred ninety-three".