974312815097 has 2 divisors, whose sum is σ = 974312815098. Its totient is φ = 974312815096.

The previous prime is 974312815079. The next prime is 974312815109. The reversal of 974312815097 is 790518213479.

Together with previous prime (974312815079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654382305721 + 319930509376 = 808939^2 + 565624^2 .

It is a cyclic number.

It is not a de Polignac number, because 974312815097 - 2¹² = 974312811001 is a prime.

It is a super-3 number, since 3×974312815097³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (974312818097) 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, 487156407548 + 487156407549.

It is an arithmetic number, because the mean of its divisors is an integer number (487156407549).

Almost surely, 2^974312815097 is an apocalyptic number.

It is an amenable number.

974312815097 is a deficient number, since it is larger than the sum of its proper divisors (1).

974312815097 is an equidigital number, since it uses as much as digits as its factorization.

974312815097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3810240, while the sum is 56.

The spelling of 974312815097 in words is "nine hundred seventy-four billion, three hundred twelve million, eight hundred fifteen thousand, ninety-seven".