18350337037 has 2 divisors, whose sum is σ = 18350337038. Its totient is φ = 18350337036.

The previous prime is 18350337029. The next prime is 18350337073. The reversal of 18350337037 is 73073305381.

Together with next prime (18350337073) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9821999236 + 8528337801 = 99106^2 + 92349^2 .

It is a cyclic number.

It is not a de Polignac number, because 18350337037 - 2³ = 18350337029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18350337637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9175168518 + 9175168519.

It is an arithmetic number, because the mean of its divisors is an integer number (9175168519).

Almost surely, 2^18350337037 is an apocalyptic number.

It is an amenable number.

18350337037 is a deficient number, since it is larger than the sum of its proper divisors (1).

18350337037 is an equidigital number, since it uses as much as digits as its factorization.

18350337037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 158760, while the sum is 40.

The spelling of 18350337037 in words is "eighteen billion, three hundred fifty million, three hundred thirty-seven thousand, thirty-seven".