16464228293 has 2 divisors, whose sum is σ = 16464228294. Its totient is φ = 16464228292.

The previous prime is 16464228271. The next prime is 16464228307. The reversal of 16464228293 is 39282246461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14284552324 + 2179675969 = 119518^2 + 46687^2 .

It is a cyclic number.

It is not a de Polignac number, because 16464228293 - 2³⁰ = 15390486469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16464228223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8232114146 + 8232114147.

It is an arithmetic number, because the mean of its divisors is an integer number (8232114147).

Almost surely, 2^16464228293 is an apocalyptic number.

It is an amenable number.

16464228293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16464228293 is an equidigital number, since it uses as much as digits as its factorization.

16464228293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 995328, while the sum is 47.

The spelling of 16464228293 in words is "sixteen billion, four hundred sixty-four million, two hundred twenty-eight thousand, two hundred ninety-three".