18484351801 has 4 divisors (see below), whose sum is σ = 18581128704. Its totient is φ = 18387574900.

The previous prime is 18484351783. The next prime is 18484351811. The reversal of 18484351801 is 10815348481.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10815348481 = 7 ⋅1545049783.

It is a cyclic number.

It is not a de Polignac number, because 18484351801 - 2¹¹ = 18484349753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18484351811) 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, 48388165 + ... + 48388546.

It is an arithmetic number, because the mean of its divisors is an integer number (4645282176).

Almost surely, 2^18484351801 is an apocalyptic number.

It is an amenable number.

18484351801 is a deficient number, since it is larger than the sum of its proper divisors (96776903).

18484351801 is an equidigital number, since it uses as much as digits as its factorization.

18484351801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96776902.

The product of its (nonzero) digits is 122880, while the sum is 43.

The spelling of 18484351801 in words is "eighteen billion, four hundred eighty-four million, three hundred fifty-one thousand, eight hundred one".