17420760893 has 2 divisors, whose sum is σ = 17420760894. Its totient is φ = 17420760892.

The previous prime is 17420760871. The next prime is 17420760911. The reversal of 17420760893 is 39806702471.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9439482649 + 7981278244 = 97157^2 + 89338^2 .

It is a cyclic number.

It is not a de Polignac number, because 17420760893 - 2¹⁰ = 17420759869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17420760803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8710380446 + 8710380447.

It is an arithmetic number, because the mean of its divisors is an integer number (8710380447).

Almost surely, 2^17420760893 is an apocalyptic number.

It is an amenable number.

17420760893 is a deficient number, since it is larger than the sum of its proper divisors (1).

17420760893 is an equidigital number, since it uses as much as digits as its factorization.

17420760893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 17420760893 in words is "seventeen billion, four hundred twenty million, seven hundred sixty thousand, eight hundred ninety-three".