5173903981854 has 32 divisors (see below), whose sum is σ = 11497671735840. Its totient is φ = 1724618560896.

The previous prime is 5173903981837. The next prime is 5173903981871. The reversal of 5173903981854 is 4581893093715.

5173903981854 is a `hidden beast` number, since 517 + 3 + 9 + 0 + 39 + 8 + 1 + 85 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (5173903981837) and next prime (5173903981871).

It is a super-2 number, since 2×5173903981854² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5173903981791 and 5173903981800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6334384 + ... + 7104380.

It is an arithmetic number, because the mean of its divisors is an integer number (359302241745).

Almost surely, 2^{5173903981854} is an apocalyptic number.

5173903981854 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5173903981854 is an abundant number, since it is smaller than the sum of its proper divisors (6323767753986).

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

5173903981854 is a wasteful number, since it uses less digits than its factorization.

5173903981854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894441 (or 894435 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 63.

The spelling of 5173903981854 in words is "five trillion, one hundred seventy-three billion, nine hundred three million, nine hundred eighty-one thousand, eight hundred fifty-four".