18305829963 has 6 divisors (see below), whose sum is σ = 26441754404. Its totient is φ = 12203886636.

The previous prime is 18305829907. The next prime is 18305829967. The reversal of 18305829963 is 36992850381.

It is not a de Polignac number, because 18305829963 - 2²⁵ = 18272275531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18305829967) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1016990545 + ... + 1016990562.

Almost surely, 2^18305829963 is an apocalyptic number.

18305829963 is a deficient number, since it is larger than the sum of its proper divisors (8135924441).

18305829963 is a wasteful number, since it uses less digits than its factorization.

18305829963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033981113 (or 2033981110 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 18305829963 in words is "eighteen billion, three hundred five million, eight hundred twenty-nine thousand, nine hundred sixty-three".