16905093860833 has 2 divisors, whose sum is σ = 16905093860834. Its totient is φ = 16905093860832.

The previous prime is 16905093860797. The next prime is 16905093860857. The reversal of 16905093860833 is 33806839050961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16619181215569 + 285912645264 = 4076663^2 + 534708^2 .

It is a cyclic number.

It is not a de Polignac number, because 16905093860833 - 2¹³ = 16905093852641 is a prime.

It is not a weakly prime, because it can be changed into another prime (16905093860873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8452546930416 + 8452546930417.

It is an arithmetic number, because the mean of its divisors is an integer number (8452546930417).

Almost surely, 2^{16905093860833} is an apocalyptic number.

It is an amenable number.

16905093860833 is a deficient number, since it is larger than the sum of its proper divisors (1).

16905093860833 is an equidigital number, since it uses as much as digits as its factorization.

16905093860833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 16905093860833 in words is "sixteen trillion, nine hundred five billion, ninety-three million, eight hundred sixty thousand, eight hundred thirty-three".