18100082579 has 4 divisors (see below), whose sum is σ = 18521014776. Its totient is φ = 17679150384.

The previous prime is 18100082543. The next prime is 18100082593. The reversal of 18100082579 is 97528000181.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18100082579 - 2¹⁶ = 18100017043 is a prime.

It is a super-2 number, since 2×18100082579² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18100082509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210466034 + ... + 210466119.

It is an arithmetic number, because the mean of its divisors is an integer number (4630253694).

Almost surely, 2^18100082579 is an apocalyptic number.

18100082579 is a deficient number, since it is larger than the sum of its proper divisors (420932197).

18100082579 is an equidigital number, since it uses as much as digits as its factorization.

18100082579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420932196.

The product of its (nonzero) digits is 40320, while the sum is 41.

The spelling of 18100082579 in words is "eighteen billion, one hundred million, eighty-two thousand, five hundred seventy-nine".