8999998951417 has 2 divisors, whose sum is σ = 8999998951418. Its totient is φ = 8999998951416.

The previous prime is 8999998951397. The next prime is 8999998951501. The reversal of 8999998951417 is 7141598999998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8270518974201 + 729479977216 = 2875851^2 + 854096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8999998951417 is a prime.

It is a super-2 number, since 2×8999998951417² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8999998955417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4499999475708 + 4499999475709.

It is an arithmetic number, because the mean of its divisors is an integer number (4499999475709).

Almost surely, 2^{8999998951417} is an apocalyptic number.

It is an amenable number.

8999998951417 is a deficient number, since it is larger than the sum of its proper divisors (1).

8999998951417 is an equidigital number, since it uses as much as digits as its factorization.

8999998951417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4761711360, while the sum is 88.

The spelling of 8999998951417 in words is "eight trillion, nine hundred ninety-nine billion, nine hundred ninety-eight million, nine hundred fifty-one thousand, four hundred seventeen".