1069481643 has 16 divisors (see below), whose sum is σ = 1444576896. Its totient is φ = 703704320.

The previous prime is 1069481641. The next prime is 1069481657. The reversal of 1069481643 is 3461849601.

It is a cyclic number.

It is not a de Polignac number, because 1069481643 - 2¹ = 1069481641 is a prime.

It is a super-2 number, since 2×1069481643² = 2287581969427958898, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1069481595 and 1069481604.

It is not an unprimeable number, because it can be changed into a prime (1069481641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421288 + ... + 423818.

It is an arithmetic number, because the mean of its divisors is an integer number (90286056).

Almost surely, 2^1069481643 is an apocalyptic number.

1069481643 is a deficient number, since it is larger than the sum of its proper divisors (375095253).

1069481643 is a wasteful number, since it uses less digits than its factorization.

1069481643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1069481643 is about 32702.9301898163. The cubic root of 1069481643 is about 1022.6439298988.

The spelling of 1069481643 in words is "one billion, sixty-nine million, four hundred eighty-one thousand, six hundred forty-three".