16851834914293 has 2 divisors, whose sum is σ = 16851834914294. Its totient is φ = 16851834914292.

The previous prime is 16851834914221. The next prime is 16851834914339. The reversal of 16851834914293 is 39241943815861.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16845631461649 + 6203452644 = 4104343^2 + 78762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16851834914293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16851838914293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8425917457146 + 8425917457147.

It is an arithmetic number, because the mean of its divisors is an integer number (8425917457147).

Almost surely, 2^{16851834914293} is an apocalyptic number.

It is an amenable number.

16851834914293 is a deficient number, since it is larger than the sum of its proper divisors (1).

16851834914293 is an equidigital number, since it uses as much as digits as its factorization.

16851834914293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 64.

The spelling of 16851834914293 in words is "sixteen trillion, eight hundred fifty-one billion, eight hundred thirty-four million, nine hundred fourteen thousand, two hundred ninety-three".