97424012197 has 2 divisors, whose sum is σ = 97424012198. Its totient is φ = 97424012196.

The previous prime is 97424012141. The next prime is 97424012239. The reversal of 97424012197 is 79121042479.

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., 97011069156 + 412943041 = 311466^2 + 20321^2 .

It is an emirp because it is prime and its reverse (79121042479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97424012197 - 2³⁵ = 63064273829 is a prime.

It is a super-2 number, since 2×97424012197² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97424012297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48712006098 + 48712006099.

It is an arithmetic number, because the mean of its divisors is an integer number (48712006099).

Almost surely, 2^97424012197 is an apocalyptic number.

It is an amenable number.

97424012197 is a deficient number, since it is larger than the sum of its proper divisors (1).

97424012197 is an equidigital number, since it uses as much as digits as its factorization.

97424012197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 97424012197 in words is "ninety-seven billion, four hundred twenty-four million, twelve thousand, one hundred ninety-seven".