97574490073 has 2 divisors, whose sum is σ = 97574490074. Its totient is φ = 97574490072.

The previous prime is 97574490071. The next prime is 97574490121. The reversal of 97574490073 is 37009447579.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97402040649 + 172449424 = 312093^2 + 13132^2 .

It is a cyclic number.

It is not a de Polignac number, because 97574490073 - 2¹ = 97574490071 is a prime.

It is a super-2 number, since 2×97574490073² (a number of 23 digits) contains 22 as substring.

Together with 97574490071, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 97574489996 and 97574490023.

It is not a weakly prime, because it can be changed into another prime (97574490071) 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, 48787245036 + 48787245037.

It is an arithmetic number, because the mean of its divisors is an integer number (48787245037).

Almost surely, 2^97574490073 is an apocalyptic number.

It is an amenable number.

97574490073 is a deficient number, since it is larger than the sum of its proper divisors (1).

97574490073 is an equidigital number, since it uses as much as digits as its factorization.

97574490073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6667920, while the sum is 55.

The spelling of 97574490073 in words is "ninety-seven billion, five hundred seventy-four million, four hundred ninety thousand, seventy-three".