18935063070073 has 2 divisors, whose sum is σ = 18935063070074. Its totient is φ = 18935063070072.

The previous prime is 18935063070059. The next prime is 18935063070109. The reversal of 18935063070073 is 37007036053981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14823447115129 + 4111615954944 = 3850123^2 + 2027712^2 .

It is a cyclic number.

It is not a de Polignac number, because 18935063070073 - 2¹³ = 18935063061881 is a prime.

It is a super-2 number, since 2×18935063070073² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 18935063070073.

It is not a weakly prime, because it can be changed into another prime (18935063070013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9467531535036 + 9467531535037.

It is an arithmetic number, because the mean of its divisors is an integer number (9467531535037).

Almost surely, 2^{18935063070073} is an apocalyptic number.

It is an amenable number.

18935063070073 is a deficient number, since it is larger than the sum of its proper divisors (1).

18935063070073 is an equidigital number, since it uses as much as digits as its factorization.

18935063070073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2857680, while the sum is 52.

The spelling of 18935063070073 in words is "eighteen trillion, nine hundred thirty-five billion, sixty-three million, seventy thousand, seventy-three".