9973297141 has 2 divisors, whose sum is σ = 9973297142. Its totient is φ = 9973297140.

The previous prime is 9973297133. The next prime is 9973297177. The reversal of 9973297141 is 1417923799.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9424332241 + 548964900 = 97079^2 + 23430^2 .

It is a cyclic number.

It is not a de Polignac number, because 9973297141 - 2³ = 9973297133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9973297441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986648570 + 4986648571.

It is an arithmetic number, because the mean of its divisors is an integer number (4986648571).

Almost surely, 2^9973297141 is an apocalyptic number.

It is an amenable number.

9973297141 is a deficient number, since it is larger than the sum of its proper divisors (1).

9973297141 is an equidigital number, since it uses as much as digits as its factorization.

9973297141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 857304, while the sum is 52.

The square root of 9973297141 is about 99866.3964554644. The cubic root of 9973297141 is about 2152.5153284102.

The spelling of 9973297141 in words is "nine billion, nine hundred seventy-three million, two hundred ninety-seven thousand, one hundred forty-one".