2327889649 has 4 divisors (see below), whose sum is σ = 2377419264.
Its totient is φ = 2278360036.
The previous prime is 2327889637. The next prime is 2327889659. The reversal of 2327889649 is 9469887232.
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 a cyclic number.
It is not a de Polignac number, because 2327889649 - 219 = 2327365361 is a prime.
It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2327889593 and 2327889602.
It is not an unprimeable number, because it can be changed into a prime (2327889659) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24764737 + ... + 24764830.
It is an arithmetic number, because the mean of its divisors is an integer number (594354816).
Almost surely, 22327889649 is an apocalyptic number.
It is an amenable number.
2327889649 is a deficient number, since it is larger than the sum of its proper divisors (49529615).
2327889649 is an equidigital number, since it uses as much as digits as its factorization.
2327889649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49529614.
The product of its digits is 10450944, while the sum is 58.
The square root of 2327889649 is about 48248.2087646785.
The cubic root of 2327889649 is about 1325.3201360543.
The spelling of 2327889649 in words is "two billion, three hundred twenty-seven million, eight hundred eighty-nine thousand, six hundred forty-nine".