4069989505 has 8 divisors (see below), whose sum is σ = 4886505000. Its totient is φ = 3254313216.

The previous prime is 4069989503. The next prime is 4069989509. The reversal of 4069989505 is 5059899604.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1562383729 + 2507605776 = 39527^2 + 50076^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4069989505 - 2¹ = 4069989503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4069989503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199080 + ... + 218569.

It is an arithmetic number, because the mean of its divisors is an integer number (610813125).

Almost surely, 2^4069989505 is an apocalyptic number.

It is an amenable number.

4069989505 is a deficient number, since it is larger than the sum of its proper divisors (816515495).

4069989505 is a wasteful number, since it uses less digits than its factorization.

4069989505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419603.

The product of its (nonzero) digits is 3499200, while the sum is 55.

The square root of 4069989505 is about 63796.4693772312. The cubic root of 4069989505 is about 1596.6060224602.

The spelling of 4069989505 in words is "four billion, sixty-nine million, nine hundred eighty-nine thousand, five hundred five".