18984018007 has 8 divisors (see below), whose sum is σ = 19396104480. Its totient is φ = 18573927840.

The previous prime is 18984017999. The next prime is 18984018029. The reversal of 18984018007 is 70081048981.

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

It is a cyclic number.

It is not a de Polignac number, because 18984018007 - 2³ = 18984017999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18984018037) 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, 479844 + ... + 517897.

It is an arithmetic number, because the mean of its divisors is an integer number (2424513060).

Almost surely, 2^18984018007 is an apocalyptic number.

18984018007 is a deficient number, since it is larger than the sum of its proper divisors (412086473).

18984018007 is an equidigital number, since it uses as much as digits as its factorization.

18984018007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998153.

The product of its (nonzero) digits is 129024, while the sum is 46.

The spelling of 18984018007 in words is "eighteen billion, nine hundred eighty-four million, eighteen thousand, seven".