73534281797 has 2 divisors, whose sum is σ = 73534281798. Its totient is φ = 73534281796.

The previous prime is 73534281773. The next prime is 73534281823. The reversal of 73534281797 is 79718243537.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73289859841 + 244421956 = 270721^2 + 15634^2 .

It is a cyclic number.

It is not a de Polignac number, because 73534281797 - 2²⁸ = 73265846341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73534280797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36767140898 + 36767140899.

It is an arithmetic number, because the mean of its divisors is an integer number (36767140899).

Almost surely, 2^73534281797 is an apocalyptic number.

It is an amenable number.

73534281797 is a deficient number, since it is larger than the sum of its proper divisors (1).

73534281797 is an equidigital number, since it uses as much as digits as its factorization.

73534281797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8890560, while the sum is 56.

The spelling of 73534281797 in words is "seventy-three billion, five hundred thirty-four million, two hundred eighty-one thousand, seven hundred ninety-seven".