2064644954 has 8 divisors (see below), whose sum is σ = 3172503348. Its totient is φ = 1007143840.

The previous prime is 2064644909. The next prime is 2064644963. The reversal of 2064644954 is 4594464602.

It can be written as a sum of positive squares in 2 ways, for example, as 1764420025 + 300224929 = 42005^2 + 17327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12589217 + ... + 12589380.

Almost surely, 2^2064644954 is an apocalyptic number.

2064644954 is a deficient number, since it is larger than the sum of its proper divisors (1107858394).

2064644954 is a wasteful number, since it uses less digits than its factorization.

2064644954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25178640.

The product of its (nonzero) digits is 829440, while the sum is 44.

The square root of 2064644954 is about 45438.3643411600. The cubic root of 2064644954 is about 1273.3519558296.

The spelling of 2064644954 in words is "two billion, sixty-four million, six hundred forty-four thousand, nine hundred fifty-four".