2065446654 has 64 divisors (see below), whose sum is σ = 4467384576. Its totient is φ = 634258944.

The previous prime is 2065446611. The next prime is 2065446683. The reversal of 2065446654 is 4566445602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1181409 + ... + 1183155.

It is an arithmetic number, because the mean of its divisors is an integer number (69802884).

Almost surely, 2^2065446654 is an apocalyptic number.

2065446654 is an abundant number, since it is smaller than the sum of its proper divisors (2401937922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2065446654 is a wasteful number, since it uses less digits than its factorization.

2065446654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 691200, while the sum is 42.

The square root of 2065446654 is about 45447.1853253862. The cubic root of 2065446654 is about 1273.5167483537.

The spelling of 2065446654 in words is "two billion, sixty-five million, four hundred forty-six thousand, six hundred fifty-four".