16283779469 has 2 divisors, whose sum is σ = 16283779470. Its totient is φ = 16283779468.

The previous prime is 16283779451. The next prime is 16283779483. The reversal of 16283779469 is 96497738261.

16283779469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15885577444 + 398202025 = 126038^2 + 19955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16283779469 is a prime.

It is a super-2 number, since 2×16283779469² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16283779429) 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 as a sum of consecutive naturals, namely, 8141889734 + 8141889735.

It is an arithmetic number, because the mean of its divisors is an integer number (8141889735).

Almost surely, 2^16283779469 is an apocalyptic number.

It is an amenable number.

16283779469 is a deficient number, since it is larger than the sum of its proper divisors (1).

16283779469 is an equidigital number, since it uses as much as digits as its factorization.

16283779469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27433728, while the sum is 62.

The spelling of 16283779469 in words is "sixteen billion, two hundred eighty-three million, seven hundred seventy-nine thousand, four hundred sixty-nine".