2340528649 has 4 divisors (see below), whose sum is σ = 2340885760. Its totient is φ = 2340171540.

The previous prime is 2340528569. The next prime is 2340528653. The reversal of 2340528649 is 9468250432.

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 2340528649 - 2²⁷ = 2206310921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2340528679) 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 3 ways as a sum of consecutive naturals, for example, 168537 + ... + 181894.

It is an arithmetic number, because the mean of its divisors is an integer number (585221440).

Almost surely, 2^2340528649 is an apocalyptic number.

It is an amenable number.

2340528649 is a deficient number, since it is larger than the sum of its proper divisors (357111).

2340528649 is an equidigital number, since it uses as much as digits as its factorization.

2340528649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357110.

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 2340528649 is about 48379.0104177421. The cubic root of 2340528649 is about 1327.7143642298.

The spelling of 2340528649 in words is "two billion, three hundred forty million, five hundred twenty-eight thousand, six hundred forty-nine".