473553654785838 has 144 divisors (see below), whose sum is σ = 1156094002653408. Its totient is φ = 139904289676800.

The previous prime is 473553654785803. The next prime is 473553654785857. The reversal of 473553654785838 is 838587456355374.

473553654785838 is a `hidden beast` number, since 4 + 7 + 3 + 5 + 5 + 3 + 65 + 478 + 5 + 83 + 8 = 666.

It is a super-2 number, since 2×473553654785838² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 127381770 + ... + 131046642.

It is an arithmetic number, because the mean of its divisors is an integer number (8028430573982).

Almost surely, 2^{473553654785838} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 473553654785838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578047001326704).

473553654785838 is an abundant number, since it is smaller than the sum of its proper divisors (682540347867570).

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

473553654785838 is a wasteful number, since it uses less digits than its factorization.

473553654785838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666391 (or 3666377 counting only the distinct ones).

The product of its digits is 40642560000, while the sum is 81.

The spelling of 473553654785838 in words is "four hundred seventy-three trillion, five hundred fifty-three billion, six hundred fifty-four million, seven hundred eighty-five thousand, eight hundred thirty-eight".