974098073828861 has 2 divisors, whose sum is σ = 974098073828862. Its totient is φ = 974098073828860.

The previous prime is 974098073828801. The next prime is 974098073828881. The reversal of 974098073828861 is 168828370890479.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 537987149702500 + 436110924126361 = 23194550^2 + 20883269^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-974098073828861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (974098073828801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 487049036914430 + 487049036914431.

It is an arithmetic number, because the mean of its divisors is an integer number (487049036914431).

Almost surely, 2^{974098073828861} is an apocalyptic number.

It is an amenable number.

974098073828861 is a deficient number, since it is larger than the sum of its proper divisors (1).

974098073828861 is an equidigital number, since it uses as much as digits as its factorization.

974098073828861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2341011456, while the sum is 80.

The spelling of 974098073828861 in words is "nine hundred seventy-four trillion, ninety-eight billion, seventy-three million, eight hundred twenty-eight thousand, eight hundred sixty-one".