18290920019137 has 2 divisors, whose sum is σ = 18290920019138. Its totient is φ = 18290920019136.

The previous prime is 18290920019083. The next prime is 18290920019153. The reversal of 18290920019137 is 73191002909281.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11659465843216 + 6631454175921 = 3414596^2 + 2575161^2 .

It is a cyclic number.

It is not a de Polignac number, because 18290920019137 - 2¹¹ = 18290920017089 is a prime.

It is not a weakly prime, because it can be changed into another prime (18290920019237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9145460009568 + 9145460009569.

It is an arithmetic number, because the mean of its divisors is an integer number (9145460009569).

Almost surely, 2^{18290920019137} is an apocalyptic number.

It is an amenable number.

18290920019137 is a deficient number, since it is larger than the sum of its proper divisors (1).

18290920019137 is an equidigital number, since it uses as much as digits as its factorization.

18290920019137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 52.

The spelling of 18290920019137 in words is "eighteen trillion, two hundred ninety billion, nine hundred twenty million, nineteen thousand, one hundred thirty-seven".