1069880639 has 8 divisors (see below), whose sum is σ = 1083916800. Its totient is φ = 1055932416.

The previous prime is 1069880593. The next prime is 1069880663. The reversal of 1069880639 is 9360889601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1069880639 is a prime.

It is a super-2 number, since 2×1069880639² = 2289289163414096642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1069880039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2687 + ... + 46335.

It is an arithmetic number, because the mean of its divisors is an integer number (135489600).

Almost surely, 2^1069880639 is an apocalyptic number.

1069880639 is a deficient number, since it is larger than the sum of its proper divisors (14036161).

1069880639 is a wasteful number, since it uses less digits than its factorization.

1069880639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43969.

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 1069880639 is about 32709.0299305864. The cubic root of 1069880639 is about 1022.7710881063.

The spelling of 1069880639 in words is "one billion, sixty-nine million, eight hundred eighty thousand, six hundred thirty-nine".