18436122514 has 8 divisors (see below), whose sum is σ = 27987366960. Its totient is φ = 9107000196.

The previous prime is 18436122511. The next prime is 18436122517. The reversal of 18436122514 is 41522163481.

It is an interprime number because it is at equal distance from previous prime (18436122511) and next prime (18436122517).

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

It is a super-2 number, since 2×18436122514² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18436122511) 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, 55530324 + ... + 55530655.

It is an arithmetic number, because the mean of its divisors is an integer number (3498420870).

Almost surely, 2^18436122514 is an apocalyptic number.

18436122514 is a deficient number, since it is larger than the sum of its proper divisors (9551244446).

18436122514 is a wasteful number, since it uses less digits than its factorization.

18436122514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111061064.

The product of its digits is 46080, while the sum is 37.

Adding to 18436122514 its reverse (41522163481), we get a palindrome (59958285995).

The spelling of 18436122514 in words is "eighteen billion, four hundred thirty-six million, one hundred twenty-two thousand, five hundred fourteen".