18259063982 has 8 divisors (see below), whose sum is σ = 27416069976. Its totient is φ = 9120373992.

The previous prime is 18259063967. The next prime is 18259063997. The reversal of 18259063982 is 28936095281.

It is an interprime number because it is at equal distance from previous prime (18259063967) and next prime (18259063997).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4576508 + ... + 4580495.

It is an arithmetic number, because the mean of its divisors is an integer number (3427008747).

Almost surely, 2^18259063982 is an apocalyptic number.

18259063982 is a deficient number, since it is larger than the sum of its proper divisors (9157005994).

18259063982 is an equidigital number, since it uses as much as digits as its factorization.

18259063982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9158002.

The product of its (nonzero) digits is 1866240, while the sum is 53.

The spelling of 18259063982 in words is "eighteen billion, two hundred fifty-nine million, sixty-three thousand, nine hundred eighty-two".