18008622835 has 48 divisors (see below), whose sum is σ = 26642921760. Its totient is φ = 11611192320.

The previous prime is 18008622833. The next prime is 18008622851. The reversal of 18008622835 is 53822680081.

It is not a de Polignac number, because 18008622835 - 2¹ = 18008622833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18008622791 and 18008622800.

It is not an unprimeable number, because it can be changed into a prime (18008622833) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8449720 + ... + 8451850.

It is an arithmetic number, because the mean of its divisors is an integer number (555060870).

Almost surely, 2^18008622835 is an apocalyptic number.

18008622835 is a deficient number, since it is larger than the sum of its proper divisors (8634298925).

18008622835 is a wasteful number, since it uses less digits than its factorization.

18008622835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196 (or 4189 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 18008622835 in words is "eighteen billion, eight million, six hundred twenty-two thousand, eight hundred thirty-five".