9997342373 has 2 divisors, whose sum is σ = 9997342374. Its totient is φ = 9997342372.

The previous prime is 9997342307. The next prime is 9997342429. The reversal of 9997342373 is 3732437999.

It is an a-pointer prime, because the next prime (9997342429) can be obtained adding 9997342373 to its sum of digits (56).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7473083809 + 2524258564 = 86447^2 + 50242^2 .

It is a cyclic number.

It is not a de Polignac number, because 9997342373 - 2¹⁰ = 9997341349 is a prime.

It is a super-2 number, since 2×9997342373² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9997342073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4998671186 + 4998671187.

It is an arithmetic number, because the mean of its divisors is an integer number (4998671187).

Almost surely, 2^9997342373 is an apocalyptic number.

It is an amenable number.

9997342373 is a deficient number, since it is larger than the sum of its proper divisors (1).

9997342373 is an equidigital number, since it uses as much as digits as its factorization.

9997342373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7715736, while the sum is 56.

The square root of 9997342373 is about 99986.7109820100. The cubic root of 9997342373 is about 2154.2438169952.

The spelling of 9997342373 in words is "nine billion, nine hundred ninety-seven million, three hundred forty-two thousand, three hundred seventy-three".