1063446641 has 4 divisors (see below), whose sum is σ = 1063570032. Its totient is φ = 1063323252.

The previous prime is 1063446623. The next prime is 1063446667. The reversal of 1063446641 is 1466443601.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1063446641 - 2¹⁸ = 1063184497 is a prime.

It is a super-2 number, since 2×1063446641² = 2261837516508365762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1063446841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47711 + ... + 66356.

It is an arithmetic number, because the mean of its divisors is an integer number (265892508).

Almost surely, 2^1063446641 is an apocalyptic number.

It is an amenable number.

1063446641 is a deficient number, since it is larger than the sum of its proper divisors (123391).

1063446641 is an equidigital number, since it uses as much as digits as its factorization.

1063446641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123390.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 1063446641 is about 32610.5296031819. The cubic root of 1063446641 is about 1020.7167335283.

It can be divided in two parts, 10634 and 46641, that added together give a palindrome (57275).

The spelling of 1063446641 in words is "one billion, sixty-three million, four hundred forty-six thousand, six hundred forty-one".