428504473131361 has 16 divisors (see below), whose sum is σ = 467655734900160. Its totient is φ = 389385939416320.

The previous prime is 428504473131359. The next prime is 428504473131367. The reversal of 428504473131361 is 163131374405824.

It is not a de Polignac number, because 428504473131361 - 2¹ = 428504473131359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 428504473131299 and 428504473131308.

It is not an unprimeable number, because it can be changed into a prime (428504473131367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945964821 + ... + 946417693.

It is an arithmetic number, because the mean of its divisors is an integer number (29228483431260).

Almost surely, 2^{428504473131361} is an apocalyptic number.

It is an amenable number.

428504473131361 is a deficient number, since it is larger than the sum of its proper divisors (39151261768799).

428504473131361 is a wasteful number, since it uses less digits than its factorization.

428504473131361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488816.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The spelling of 428504473131361 in words is "four hundred twenty-eight trillion, five hundred four billion, four hundred seventy-three million, one hundred thirty-one thousand, three hundred sixty-one".