8999998951297 has 2 divisors, whose sum is σ = 8999998951298. Its totient is φ = 8999998951296.

The previous prime is 8999998951249. The next prime is 8999998951397. The reversal of 8999998951297 is 7921598999998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5251655139201 + 3748343812096 = 2291649^2 + 1936064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8999998951297 is a prime.

It is a super-2 number, since 2×8999998951297² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8999998951397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499999475648 + 4499999475649.

It is an arithmetic number, because the mean of its divisors is an integer number (4499999475649).

Almost surely, 2^{8999998951297} is an apocalyptic number.

It is an amenable number.

8999998951297 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999998951297 is an equidigital number, since it uses as much as digits as its factorization.

8999998951297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21427701120, while the sum is 94.

The spelling of 8999998951297 in words is "eight trillion, nine hundred ninety-nine billion, nine hundred ninety-eight million, nine hundred fifty-one thousand, two hundred ninety-seven".