16428016283369 has 2 divisors, whose sum is σ = 16428016283370. Its totient is φ = 16428016283368.

The previous prime is 16428016283359. The next prime is 16428016283389. The reversal of 16428016283369 is 96338261082461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11294674170025 + 5133342113344 = 3360755^2 + 2265688^2 .

It is a cyclic number.

It is not a de Polignac number, because 16428016283369 - 2²⁰ = 16428015234793 is a prime.

It is a super-2 number, since 2×16428016283369² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16428016283359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8214008141684 + 8214008141685.

It is an arithmetic number, because the mean of its divisors is an integer number (8214008141685).

Almost surely, 2^{16428016283369} is an apocalyptic number.

It is an amenable number.

16428016283369 is a deficient number, since it is larger than the sum of its proper divisors (1).

16428016283369 is an equidigital number, since it uses as much as digits as its factorization.

16428016283369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17915904, while the sum is 59.

The spelling of 16428016283369 in words is "sixteen trillion, four hundred twenty-eight billion, sixteen million, two hundred eighty-three thousand, three hundred sixty-nine".