63285215685 has 16 divisors (see below), whose sum is σ = 101292614016. Its totient is φ = 33740025408.

The previous prime is 63285215683. The next prime is 63285215687. The reversal of 63285215685 is 58651258236.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63285215683) and next prime (63285215687).

It is not a de Polignac number, because 63285215685 - 2¹ = 63285215683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63285215683) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 712249 + ... + 796158.

It is an arithmetic number, because the mean of its divisors is an integer number (6330788376).

Almost surely, 2^63285215685 is an apocalyptic number.

It is an amenable number.

63285215685 is a deficient number, since it is larger than the sum of its proper divisors (38007398331).

63285215685 is a wasteful number, since it uses less digits than its factorization.

63285215685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511212.

The product of its digits is 3456000, while the sum is 51.

The spelling of 63285215685 in words is "sixty-three billion, two hundred eighty-five million, two hundred fifteen thousand, six hundred eighty-five".