2147967009 has 12 divisors (see below), whose sum is σ = 3104082852. Its totient is φ = 1431302400.

The previous prime is 2147967007. The next prime is 2147967011. The reversal of 2147967009 is 9007697412.

It is an interprime number because it is at equal distance from previous prime (2147967007) and next prime (2147967011).

It can be written as a sum of positive squares in 2 ways, for example, as 835499025 + 1312467984 = 28905^2 + 36228^2 .

It is not a de Polignac number, because 2147967009 - 2¹ = 2147967007 is a prime.

It is a super-2 number, since 2×2147967009² = 9227524543504812162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2147967007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35772 + ... + 74669.

It is an arithmetic number, because the mean of its divisors is an integer number (258673571).

Almost surely, 2^2147967009 is an apocalyptic number.

It is an amenable number.

2147967009 is a deficient number, since it is larger than the sum of its proper divisors (956115843).

2147967009 is a wasteful number, since it uses less digits than its factorization.

2147967009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112608 (or 112605 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 2147967009 is about 46346.1649869760. The cubic root of 2147967009 is about 1290.2559452492.

It can be divided in two parts, 21479 and 67009, that added together give a palindrome (88488).

The spelling of 2147967009 in words is "two billion, one hundred forty-seven million, nine hundred sixty-seven thousand, nine".