16291448093 has 2 divisors, whose sum is σ = 16291448094. Its totient is φ = 16291448092.

The previous prime is 16291448051. The next prime is 16291448099. The reversal of 16291448093 is 39084419261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11292675289 + 4998772804 = 106267^2 + 70702^2 .

It is a cyclic number.

It is not a de Polignac number, because 16291448093 - 2¹⁰ = 16291447069 is a prime.

It is a super-3 number, since 3×16291448093³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16291448099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8145724046 + 8145724047.

It is an arithmetic number, because the mean of its divisors is an integer number (8145724047).

Almost surely, 2^16291448093 is an apocalyptic number.

It is an amenable number.

16291448093 is a deficient number, since it is larger than the sum of its proper divisors (1).

16291448093 is an equidigital number, since it uses as much as digits as its factorization.

16291448093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 16291448093 in words is "sixteen billion, two hundred ninety-one million, four hundred forty-eight thousand, ninety-three".