2064642012 has 36 divisors (see below), whose sum is σ = 5445869520. Its totient is φ = 658291392.

The previous prime is 2064641951. The next prime is 2064642029. The reversal of 2064642012 is 2102464602.

2064642012 is a `hidden beast` number, since 2 + 0 + 6 + 4 + 642 + 0 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1245937 + ... + 1247592.

Almost surely, 2^2064642012 is an apocalyptic number.

It is an amenable number.

2064642012 is an abundant number, since it is smaller than the sum of its proper divisors (3381227508).

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

2064642012 is a wasteful number, since it uses less digits than its factorization.

2064642012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493562 (or 2493557 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2064642012 is about 45438.3319676240. The cubic root of 2064642012 is about 1273.3513510116.

The spelling of 2064642012 in words is "two billion, sixty-four million, six hundred forty-two thousand, twelve".