18273820101 has 8 divisors (see below), whose sum is σ = 24883499904. Its totient is φ = 11923343520.

The previous prime is 18273820093. The next prime is 18273820121. The reversal of 18273820101 is 10102837281.

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

It is not a de Polignac number, because 18273820101 - 2³ = 18273820093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18273820121) 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, 64800640 + ... + 64800921.

It is an arithmetic number, because the mean of its divisors is an integer number (3110437488).

Almost surely, 2^18273820101 is an apocalyptic number.

It is an amenable number.

18273820101 is a deficient number, since it is larger than the sum of its proper divisors (6609679803).

18273820101 is a wasteful number, since it uses less digits than its factorization.

18273820101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129601611.

The product of its (nonzero) digits is 5376, while the sum is 33.

The spelling of 18273820101 in words is "eighteen billion, two hundred seventy-three million, eight hundred twenty thousand, one hundred one".