97497849966613 has 2 divisors, whose sum is σ = 97497849966614. Its totient is φ = 97497849966612.

The previous prime is 97497849966599. The next prime is 97497849966631. The reversal of 97497849966613 is 31666994879479.

Together with next prime (97497849966631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97278729548004 + 219120418609 = 9862998^2 + 468103^2 .

It is a cyclic number.

It is not a de Polignac number, because 97497849966613 - 2¹⁷ = 97497849835541 is a prime.

It is a super-2 number, since 2×97497849966613² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97497849966313) 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, 48748924983306 + 48748924983307.

It is an arithmetic number, because the mean of its divisors is an integer number (48748924983307).

Almost surely, 2^{97497849966613} is an apocalyptic number.

It is an amenable number.

97497849966613 is a deficient number, since it is larger than the sum of its proper divisors (1).

97497849966613 is an equidigital number, since it uses as much as digits as its factorization.

97497849966613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26665583616, while the sum is 88.

The spelling of 97497849966613 in words is "ninety-seven trillion, four hundred ninety-seven billion, eight hundred forty-nine million, nine hundred sixty-six thousand, six hundred thirteen".