18573920483 has 4 divisors (see below), whose sum is σ = 18613693800. Its totient is φ = 18534147168.

The previous prime is 18573920479. The next prime is 18573920489. The reversal of 18573920483 is 38402937581.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18573920483 - 2² = 18573920479 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18573920489) 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, 19885958 + ... + 19886891.

It is an arithmetic number, because the mean of its divisors is an integer number (4653423450).

Almost surely, 2^18573920483 is an apocalyptic number.

18573920483 is a deficient number, since it is larger than the sum of its proper divisors (39773317).

18573920483 is an equidigital number, since it uses as much as digits as its factorization.

18573920483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39773316.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 18573920483 in words is "eighteen billion, five hundred seventy-three million, nine hundred twenty thousand, four hundred eighty-three".