97620628241 has 2 divisors, whose sum is σ = 97620628242. Its totient is φ = 97620628240.

The previous prime is 97620628223. The next prime is 97620628297. The reversal of 97620628241 is 14282602679.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54333745216 + 43286883025 = 233096^2 + 208055^2 .

It is an emirp because it is prime and its reverse (14282602679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97620628241 - 2⁶ = 97620628177 is a prime.

It is not a weakly prime, because it can be changed into another prime (97620628541) 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, 48810314120 + 48810314121.

It is an arithmetic number, because the mean of its divisors is an integer number (48810314121).

Almost surely, 2^97620628241 is an apocalyptic number.

It is an amenable number.

97620628241 is a deficient number, since it is larger than the sum of its proper divisors (1).

97620628241 is an equidigital number, since it uses as much as digits as its factorization.

97620628241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 47.

The spelling of 97620628241 in words is "ninety-seven billion, six hundred twenty million, six hundred twenty-eight thousand, two hundred forty-one".