1063894633 has 4 divisors (see below), whose sum is σ = 1092648580. Its totient is φ = 1035140688.

The previous prime is 1063894631. The next prime is 1063894723. The reversal of 1063894633 is 3364983601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3364983601 = 7 ⋅480711943.

It can be written as a sum of positive squares in 2 ways, for example, as 369677529 + 694217104 = 19227^2 + 26348^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063894633 - 2¹ = 1063894631 is a prime.

It is a super-2 number, since 2×1063894633² = 2263743580252409378, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1063894633.

It is not an unprimeable number, because it can be changed into a prime (1063894631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14376918 + ... + 14376991.

It is an arithmetic number, because the mean of its divisors is an integer number (273162145).

Almost surely, 2^1063894633 is an apocalyptic number.

It is an amenable number.

1063894633 is a deficient number, since it is larger than the sum of its proper divisors (28753947).

1063894633 is an equidigital number, since it uses as much as digits as its factorization.

1063894633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28753946.

The product of its (nonzero) digits is 279936, while the sum is 43.

The square root of 1063894633 is about 32617.3977042927. The cubic root of 1063894633 is about 1020.8600438796.

The spelling of 1063894633 in words is "one billion, sixty-three million, eight hundred ninety-four thousand, six hundred thirty-three".