18705759463 has 2 divisors, whose sum is σ = 18705759464. Its totient is φ = 18705759462.

The previous prime is 18705759437. The next prime is 18705759469. The reversal of 18705759463 is 36495750781.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18705759463 - 2²¹ = 18703662311 is a prime.

It is a super-2 number, since 2×18705759463² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18705759469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9352879731 + 9352879732.

It is an arithmetic number, because the mean of its divisors is an integer number (9352879732).

Almost surely, 2^18705759463 is an apocalyptic number.

18705759463 is a deficient number, since it is larger than the sum of its proper divisors (1).

18705759463 is an equidigital number, since it uses as much as digits as its factorization.

18705759463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 18705759463 in words is "eighteen billion, seven hundred five million, seven hundred fifty-nine thousand, four hundred sixty-three".