18069819963 has 8 divisors (see below), whose sum is σ = 25946408208. Its totient is φ = 11119889184.

The previous prime is 18069819959. The next prime is 18069820003. The reversal of 18069819963 is 36991896081.

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

It is not a de Polignac number, because 18069819963 - 2² = 18069819959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18069819897 and 18069819906.

It is not an unprimeable number, because it can be changed into a prime (18069819763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 231664320 + ... + 231664397.

It is an arithmetic number, because the mean of its divisors is an integer number (3243301026).

Almost surely, 2^18069819963 is an apocalyptic number.

18069819963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18069819963 is a deficient number, since it is larger than the sum of its proper divisors (7876588245).

18069819963 is a wasteful number, since it uses less digits than its factorization.

18069819963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463328733.

The product of its (nonzero) digits is 5038848, while the sum is 60.

It can be divided in two parts, 180698 and 19963, that added together give a triangular number (200661 = T₆₃₃).

The spelling of 18069819963 in words is "eighteen billion, sixty-nine million, eight hundred nineteen thousand, nine hundred sixty-three".