2647138369 has 8 divisors (see below), whose sum is σ = 2685301632. Its totient is φ = 2608999680.

The previous prime is 2647138367. The next prime is 2647138381. The reversal of 2647138369 is 9638317462.

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 2647138369 - 2¹ = 2647138367 is a prime.

It is a super-2 number, since 2×2647138369² = 14014683089263960322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2647138367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419532 + ... + 425794.

It is an arithmetic number, because the mean of its divisors is an integer number (335662704).

Almost surely, 2^2647138369 is an apocalyptic number.

It is an amenable number.

2647138369 is a deficient number, since it is larger than the sum of its proper divisors (38163263).

2647138369 is an equidigital number, since it uses as much as digits as its factorization.

2647138369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12287.

The product of its digits is 1306368, while the sum is 49.

The square root of 2647138369 is about 51450.3485799659. The cubic root of 2647138369 is about 1383.3292105682.

The spelling of 2647138369 in words is "two billion, six hundred forty-seven million, one hundred thirty-eight thousand, three hundred sixty-nine".