18728830001 has 8 divisors (see below), whose sum is σ = 21408262464. Its totient is φ = 16050368880.

The previous prime is 18728829961. The next prime is 18728830007. The reversal of 18728830001 is 10003882781.

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

It is not a de Polignac number, because 18728830001 - 2¹⁴ = 18728813617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18728830007) 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, 201035 + ... + 279056.

It is an arithmetic number, because the mean of its divisors is an integer number (2676032808).

Almost surely, 2^18728830001 is an apocalyptic number.

It is an amenable number.

18728830001 is a deficient number, since it is larger than the sum of its proper divisors (2679432463).

18728830001 is an equidigital number, since it uses as much as digits as its factorization.

18728830001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485671.

The product of its (nonzero) digits is 21504, while the sum is 38.

The spelling of 18728830001 in words is "eighteen billion, seven hundred twenty-eight million, eight hundred thirty thousand, one".