2064964649 has 8 divisors (see below), whose sum is σ = 2253078048. Its totient is φ = 1876916160.

The previous prime is 2064964579. The next prime is 2064964663. The reversal of 2064964649 is 9464694602.

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 2064964649 - 2⁸ = 2064964393 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2064964597 and 2064964606.

It is not an unprimeable number, because it can be changed into a prime (2064964049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70454 + ... + 95360.

It is an arithmetic number, because the mean of its divisors is an integer number (281634756).

Almost surely, 2^2064964649 is an apocalyptic number.

It is an amenable number.

2064964649 is a deficient number, since it is larger than the sum of its proper divisors (188113399).

2064964649 is a wasteful number, since it uses less digits than its factorization.

2064964649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32455.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The square root of 2064964649 is about 45441.8821023073. The cubic root of 2064964649 is about 1273.4176754817.

The spelling of 2064964649 in words is "two billion, sixty-four million, nine hundred sixty-four thousand, six hundred forty-nine".