1818636437414 has 8 divisors (see below), whose sum is σ = 2727960694128. Its totient is φ = 909316206040.

The previous prime is 1818636437413. The next prime is 1818636437417. The reversal of 1818636437414 is 4147346368181.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1818636437414.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818636437411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705644 + ... + 2033520.

It is an arithmetic number, because the mean of its divisors is an integer number (340995086766).

Almost surely, 2^{1818636437414} is an apocalyptic number.

1818636437414 is a deficient number, since it is larger than the sum of its proper divisors (909324256714).

1818636437414 is a wasteful number, since it uses less digits than its factorization.

1818636437414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012670.

The product of its digits is 9289728, while the sum is 56.

The spelling of 1818636437414 in words is "one trillion, eight hundred eighteen billion, six hundred thirty-six million, four hundred thirty-seven thousand, four hundred fourteen".