1063436985 has 32 divisors (see below), whose sum is σ = 2035985280. Its totient is φ = 523537344.

The previous prime is 1063436963. The next prime is 1063437007. The reversal of 1063436985 is 5896343601.

1063436985 is a `hidden beast` number, since 1 + 0 + 634 + 3 + 6 + 9 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1063436963) and next prime (1063437007).

It is not a de Polignac number, because 1063436985 - 2¹² = 1063432889 is a prime.

It is a super-2 number, since 2×1063436985² = 2261796442131780450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1063436985.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301219 + ... + 304728.

It is an arithmetic number, because the mean of its divisors is an integer number (63624540).

Almost surely, 2^1063436985 is an apocalyptic number.

1063436985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1063436985 is a deficient number, since it is larger than the sum of its proper divisors (972548295).

1063436985 is a wasteful number, since it uses less digits than its factorization.

1063436985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605974 (or 605968 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 1063436985 is about 32610.3815525056. The cubic root of 1063436985 is about 1020.7136441802.

The spelling of 1063436985 in words is "one billion, sixty-three million, four hundred thirty-six thousand, nine hundred eighty-five".