5649376815309 has 4 divisors (see below), whose sum is σ = 7532502420416. Its totient is φ = 3766251210204.

The previous prime is 5649376815289. The next prime is 5649376815311. The reversal of 5649376815309 is 9035186739465.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 5649376815309 - 2⁹ = 5649376814797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5649376815309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649376815109) 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 3 ways as a sum of consecutive naturals, for example, 941562802549 + ... + 941562802554.

It is an arithmetic number, because the mean of its divisors is an integer number (1883125605104).

Almost surely, 2^{5649376815309} is an apocalyptic number.

It is an amenable number.

5649376815309 is a deficient number, since it is larger than the sum of its proper divisors (1883125605107).

5649376815309 is a wasteful number, since it uses less digits than its factorization.

5649376815309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1883125605106.

The product of its (nonzero) digits is 146966400, while the sum is 66.

The spelling of 5649376815309 in words is "five trillion, six hundred forty-nine billion, three hundred seventy-six million, eight hundred fifteen thousand, three hundred nine".