18683073001 has 2 divisors, whose sum is σ = 18683073002. Its totient is φ = 18683073000.

The previous prime is 18683072999. The next prime is 18683073037. The reversal of 18683073001 is 10037038681.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15815577600 + 2867495401 = 125760^2 + 53549^2 .

It is an emirp because it is prime and its reverse (10037038681) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18683073001 - 2¹ = 18683072999 is a prime.

Together with 18683072999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (18683073061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9341536500 + 9341536501.

It is an arithmetic number, because the mean of its divisors is an integer number (9341536501).

Almost surely, 2^18683073001 is an apocalyptic number.

It is an amenable number.

18683073001 is a deficient number, since it is larger than the sum of its proper divisors (1).

18683073001 is an equidigital number, since it uses as much as digits as its factorization.

18683073001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 18683073001 in words is "eighteen billion, six hundred eighty-three million, seventy-three thousand, one".