18816423483 has 16 divisors (see below), whose sum is σ = 29474678016. Its totient is φ = 10526670240.

The previous prime is 18816423443. The next prime is 18816423517. The reversal of 18816423483 is 38432461881.

It is not a de Polignac number, because 18816423483 - 2⁶ = 18816423419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18816423443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21930135 + ... + 21930992.

It is an arithmetic number, because the mean of its divisors is an integer number (1842167376).

Almost surely, 2^18816423483 is an apocalyptic number.

18816423483 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

18816423483 is a deficient number, since it is larger than the sum of its proper divisors (10658254533).

18816423483 is a wasteful number, since it uses less digits than its factorization.

18816423483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43861154.

The product of its digits is 884736, while the sum is 48.

The spelling of 18816423483 in words is "eighteen billion, eight hundred sixteen million, four hundred twenty-three thousand, four hundred eighty-three".