9998457463 has 2 divisors, whose sum is σ = 9998457464. Its totient is φ = 9998457462.

The previous prime is 9998457461. The next prime is 9998457517. The reversal of 9998457463 is 3647548999.

It is a weak prime.

It is an emirp because it is prime and its reverse (3647548999) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9998457463 - 2¹ = 9998457461 is a prime.

Together with 9998457461, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 9998457395 and 9998457404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9998457461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999228731 + 4999228732.

It is an arithmetic number, because the mean of its divisors is an integer number (4999228732).

Almost surely, 2^9998457463 is an apocalyptic number.

9998457463 is a deficient number, since it is larger than the sum of its proper divisors (1).

9998457463 is an equidigital number, since it uses as much as digits as its factorization.

9998457463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 64.

The square root of 9998457463 is about 99992.2870175495. The cubic root of 9998457463 is about 2154.3239078281.

The spelling of 9998457463 in words is "nine billion, nine hundred ninety-eight million, four hundred fifty-seven thousand, four hundred sixty-three".