201024178073 has 2 divisors, whose sum is σ = 201024178074. Its totient is φ = 201024178072.

The previous prime is 201024178009. The next prime is 201024178093. The reversal of 201024178073 is 370871420102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200962130944 + 62047129 = 448288^2 + 7877^2 .

It is a cyclic number.

It is not a de Polignac number, because 201024178073 - 2⁶ = 201024178009 is a prime.

It is not a weakly prime, because it can be changed into another prime (201024178093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100512089036 + 100512089037.

It is an arithmetic number, because the mean of its divisors is an integer number (100512089037).

Almost surely, 2^201024178073 is an apocalyptic number.

It is an amenable number.

201024178073 is a deficient number, since it is larger than the sum of its proper divisors (1).

201024178073 is an equidigital number, since it uses as much as digits as its factorization.

201024178073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 35.

Adding to 201024178073 its reverse (370871420102), we get a palindrome (571895598175).

The spelling of 201024178073 in words is "two hundred one billion, twenty-four million, one hundred seventy-eight thousand, seventy-three".