49798173473856 has 224 divisors, whose sum is σ = 157010135356800. Its totient is φ = 15429026396160.

The previous prime is 49798173473827. The next prime is 49798173473861. The reversal of 49798173473856 is 65837437189794.

49798173473856 is a `hidden beast` number, since 4 + 9 + 7 + 98 + 1 + 7 + 3 + 473 + 8 + 56 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12568935 + ... + 16049126.

Almost surely, 2^{49798173473856} is an apocalyptic number.

It is an amenable number.

49798173473856 is an abundant number, since it is smaller than the sum of its proper divisors (107211961882944).

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

49798173473856 is a wasteful number, since it uses less digits than its factorization.

49798173473856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28618154 (or 28618138 counting only the distinct ones).

The product of its digits is 7681443840, while the sum is 81.

The spelling of 49798173473856 in words is "forty-nine trillion, seven hundred ninety-eight billion, one hundred seventy-three million, four hundred seventy-three thousand, eight hundred fifty-six".