499409594647398 has 24 divisors (see below), whose sum is σ = 1087491579642000. Its totient is φ = 165633332896944.

The previous prime is 499409594647391. The next prime is 499409594647417. The reversal of 499409594647398 is 893746495904994.

499409594647398 is a `hidden beast` number, since 4 + 9 + 9 + 4 + 0 + 9 + 5 + 9 + 46 + 473 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499409594647391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69710995113 + ... + 69711002276.

It is an arithmetic number, because the mean of its divisors is an integer number (45312149151750).

Almost surely, 2^{499409594647398} is an apocalyptic number.

499409594647398 is an abundant number, since it is smaller than the sum of its proper divisors (588081984994602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499409594647398 is a wasteful number, since it uses less digits than its factorization.

499409594647398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139421997596 (or 139421997593 counting only the distinct ones).

The product of its (nonzero) digits is 76187381760, while the sum is 90.

The spelling of 499409594647398 in words is "four hundred ninety-nine trillion, four hundred nine billion, five hundred ninety-four million, six hundred forty-seven thousand, three hundred ninety-eight".