285721553067063 has 16 divisors (see below), whose sum is σ = 386181643699200. Its totient is φ = 187871261264064.

The previous prime is 285721553067053. The next prime is 285721553067121. The reversal of 285721553067063 is 360760355127582.

It is not a de Polignac number, because 285721553067063 - 2¹⁴ = 285721553050679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 285721553066988 and 285721553067006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285721553067023) 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, 109258720 + ... + 111843242.

It is an arithmetic number, because the mean of its divisors is an integer number (24136352731200).

Almost surely, 2^{285721553067063} is an apocalyptic number.

285721553067063 is a deficient number, since it is larger than the sum of its proper divisors (100460090632137).

285721553067063 is a wasteful number, since it uses less digits than its factorization.

285721553067063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089398.

The product of its (nonzero) digits is 63504000, while the sum is 60.

The spelling of 285721553067063 in words is "two hundred eighty-five trillion, seven hundred twenty-one billion, five hundred fifty-three million, sixty-seven thousand, sixty-three".