99998417493 has 48 divisors (see below), whose sum is σ = 160637008896. Its totient is φ = 59527906560.

The previous prime is 99998417471. The next prime is 99998417507. The reversal of 99998417493 is 39471489999.

99998417493 is a `hidden beast` number, since 9 + 9 + 9 + 98 + 41 + 7 + 493 = 666.

It is not a de Polignac number, because 99998417493 - 2⁵ = 99998417461 is a prime.

It is a super-3 number, since 3×99998417493³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99998417423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12788521 + ... + 12796337.

It is an arithmetic number, because the mean of its divisors is an integer number (3346604352).

Almost surely, 2^99998417493 is an apocalyptic number.

99998417493 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

99998417493 is a deficient number, since it is larger than the sum of its proper divisors (60638591403).

99998417493 is a wasteful number, since it uses less digits than its factorization.

With its successor (99998417494) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (11391).

99998417493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11394 (or 11391 counting only the distinct ones).

The product of its digits is 158723712, while the sum is 72.

The spelling of 99998417493 in words is "ninety-nine billion, nine hundred ninety-eight million, four hundred seventeen thousand, four hundred ninety-three".