18100479 has 4 divisors (see below), whose sum is σ = 24133976. Its totient is φ = 12066984.

The previous prime is 18100429. The next prime is 18100487. The reversal of 18100479 is 97400181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97400181 = 3 ⋅32466727.

It is not a de Polignac number, because 18100479 - 2⁷ = 18100351 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 (18100429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3016744 + ... + 3016749.

It is an arithmetic number, because the mean of its divisors is an integer number (6033494).

Almost surely, 2^18100479 is an apocalyptic number.

18100479 is a deficient number, since it is larger than the sum of its proper divisors (6033497).

18100479 is an equidigital number, since it uses as much as digits as its factorization.

18100479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6033496.

The product of its (nonzero) digits is 2016, while the sum is 30.

The square root of 18100479 is about 4254.4657713983. The cubic root of 18100479 is about 262.5608820236.

The spelling of 18100479 in words is "eighteen million, one hundred thousand, four hundred seventy-nine".