16442403353 has 2 divisors, whose sum is σ = 16442403354. Its totient is φ = 16442403352.

The previous prime is 16442403287. The next prime is 16442403359. The reversal of 16442403353 is 35330424461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16366852489 + 75550864 = 127933^2 + 8692^2 .

It is a cyclic number.

It is not a de Polignac number, because 16442403353 - 2⁸ = 16442403097 is a prime.

It is a super-3 number, since 3×16442403353³ (a number of 32 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16442403359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221201676 + 8221201677.

It is an arithmetic number, because the mean of its divisors is an integer number (8221201677).

Almost surely, 2^16442403353 is an apocalyptic number.

It is an amenable number.

16442403353 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442403353 is an equidigital number, since it uses as much as digits as its factorization.

16442403353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

The spelling of 16442403353 in words is "sixteen billion, four hundred forty-two million, four hundred three thousand, three hundred fifty-three".