1069880641 has 4 divisors (see below), whose sum is σ = 1098796372. Its totient is φ = 1040964912.

The previous prime is 1069880593. The next prime is 1069880663. The reversal of 1069880641 is 1460889601.

1069880641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1460889601 = 31 ⋅47125471.

It can be written as a sum of positive squares in 2 ways, for example, as 882327616 + 187553025 = 29704^2 + 13695^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069880641 - 2²⁷ = 935662913 is a prime.

It is a super-2 number, since 2×1069880641² = 2289289171973141762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1069880681) 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, 14457810 + ... + 14457883.

It is an arithmetic number, because the mean of its divisors is an integer number (274699093).

Almost surely, 2^1069880641 is an apocalyptic number.

It is an amenable number.

1069880641 is a deficient number, since it is larger than the sum of its proper divisors (28915731).

1069880641 is an equidigital number, since it uses as much as digits as its factorization.

1069880641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28915730.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 1069880641 is about 32709.0299611590. The cubic root of 1069880641 is about 1022.7710887436.

The spelling of 1069880641 in words is "one billion, sixty-nine million, eight hundred eighty thousand, six hundred forty-one".