16452545693 has 2 divisors, whose sum is σ = 16452545694. Its totient is φ = 16452545692.

The previous prime is 16452545671. The next prime is 16452545717. The reversal of 16452545693 is 39654525461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16143735364 + 308810329 = 127058^2 + 17573^2 .

It is a cyclic number.

It is not a de Polignac number, because 16452545693 - 2¹⁶ = 16452480157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16452545623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8226272846 + 8226272847.

It is an arithmetic number, because the mean of its divisors is an integer number (8226272847).

Almost surely, 2^16452545693 is an apocalyptic number.

It is an amenable number.

16452545693 is a deficient number, since it is larger than the sum of its proper divisors (1).

16452545693 is an equidigital number, since it uses as much as digits as its factorization.

16452545693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 50.

The spelling of 16452545693 in words is "sixteen billion, four hundred fifty-two million, five hundred forty-five thousand, six hundred ninety-three".