18020010008463 has 8 divisors (see below), whose sum is σ = 24296642708400. Its totient is φ = 11878358657088.

The previous prime is 18020010008449. The next prime is 18020010008501. The reversal of 18020010008463 is 36480001002081.

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

It is not a de Polignac number, because 18020010008463 - 2²² = 18020005814159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18020010008263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33745336828 + ... + 33745337361.

It is an arithmetic number, because the mean of its divisors is an integer number (3037080338550).

Almost surely, 2^{18020010008463} is an apocalyptic number.

18020010008463 is a deficient number, since it is larger than the sum of its proper divisors (6276632699937).

18020010008463 is an equidigital number, since it uses as much as digits as its factorization.

18020010008463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67490674281.

The product of its (nonzero) digits is 9216, while the sum is 33.

The spelling of 18020010008463 in words is "eighteen trillion, twenty billion, ten million, eight thousand, four hundred sixty-three".