2064451895 has 8 divisors (see below), whose sum is σ = 2702555280. Its totient is φ = 1501419520.

The previous prime is 2064451891. The next prime is 2064451951. The reversal of 2064451895 is 5981544602.

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

It is not a de Polignac number, because 2064451895 - 2² = 2064451891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064451891) 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, 18767690 + ... + 18767799.

It is an arithmetic number, because the mean of its divisors is an integer number (337819410).

Almost surely, 2^2064451895 is an apocalyptic number.

2064451895 is a deficient number, since it is larger than the sum of its proper divisors (638103385).

2064451895 is a wasteful number, since it uses less digits than its factorization.

2064451895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37535505.

The product of its (nonzero) digits is 345600, while the sum is 44.

The square root of 2064451895 is about 45436.2398862406. The cubic root of 2064451895 is about 1273.3122654351.

The spelling of 2064451895 in words is "two billion, sixty-four million, four hundred fifty-one thousand, eight hundred ninety-five".