16436314693 has 4 divisors (see below), whose sum is σ = 16478567820. Its totient is φ = 16394061568.

The previous prime is 16436314691. The next prime is 16436314703. The reversal of 16436314693 is 39641363461.

16436314693 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39641363461 = 7 ⋅5663051923.

It can be written as a sum of positive squares in 2 ways, for example, as 3326751684 + 13109563009 = 57678^2 + 114497^2 .

It is a cyclic number.

It is not a de Polignac number, because 16436314693 - 2¹ = 16436314691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16436314691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21125980 + ... + 21126757.

It is an arithmetic number, because the mean of its divisors is an integer number (4119641955).

Almost surely, 2^16436314693 is an apocalyptic number.

It is an amenable number.

16436314693 is a deficient number, since it is larger than the sum of its proper divisors (42253127).

16436314693 is an equidigital number, since it uses as much as digits as its factorization.

16436314693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42253126.

The product of its digits is 839808, while the sum is 46.

The spelling of 16436314693 in words is "sixteen billion, four hundred thirty-six million, three hundred fourteen thousand, six hundred ninety-three".