18683073037 has 2 divisors, whose sum is σ = 18683073038. Its totient is φ = 18683073036.

The previous prime is 18683073001. The next prime is 18683073047. The reversal of 18683073037 is 73037038681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18547443721 + 135629316 = 136189^2 + 11646^2 .

It is a cyclic number.

It is not a de Polignac number, because 18683073037 - 2⁷ = 18683072909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18683073047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9341536518 + 9341536519.

It is an arithmetic number, because the mean of its divisors is an integer number (9341536519).

Almost surely, 2^18683073037 is an apocalyptic number.

It is an amenable number.

18683073037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18683073037 is an equidigital number, since it uses as much as digits as its factorization.

18683073037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 18683073037 in words is "eighteen billion, six hundred eighty-three million, seventy-three thousand, thirty-seven".