97628022913 has 2 divisors, whose sum is σ = 97628022914. Its totient is φ = 97628022912.

The previous prime is 97628022901. The next prime is 97628022917. The reversal of 97628022913 is 31922082679.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64215107649 + 33412915264 = 253407^2 + 182792^2 .

It is an emirp because it is prime and its reverse (31922082679) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 97628022913 - 2²⁹ = 97091152001 is a prime.

It is not a weakly prime, because it can be changed into another prime (97628022917) 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, 48814011456 + 48814011457.

It is an arithmetic number, because the mean of its divisors is an integer number (48814011457).

Almost surely, 2^97628022913 is an apocalyptic number.

It is an amenable number.

97628022913 is a deficient number, since it is larger than the sum of its proper divisors (1).

97628022913 is an equidigital number, since it uses as much as digits as its factorization.

97628022913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 97628022913 in words is "ninety-seven billion, six hundred twenty-eight million, twenty-two thousand, nine hundred thirteen".