17980463 has 2 divisors, whose sum is σ = 17980464. Its totient is φ = 17980462.

The previous prime is 17980453. The next prime is 17980471. The reversal of 17980463 is 36408971.

It is a strong prime.

It is an emirp because it is prime and its reverse (36408971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 17980463 - 2¹⁰ = 17979439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17980423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8990231 + 8990232.

It is an arithmetic number, because the mean of its divisors is an integer number (8990232).

Almost surely, 2^17980463 is an apocalyptic number.

17980463 is a deficient number, since it is larger than the sum of its proper divisors (1).

17980463 is an equidigital number, since it uses as much as digits as its factorization.

17980463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 17980463 is about 4240.3376044839. The cubic root of 17980463 is about 261.9792876426.

The spelling of 17980463 in words is "seventeen million, nine hundred eighty thousand, four hundred sixty-three".