2067405645 has 16 divisors (see below), whose sum is σ = 3313909440. Its totient is φ = 1100596224.

The previous prime is 2067405631. The next prime is 2067405677. The reversal of 2067405645 is 5465047602.

2067405645 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2067405645 - 2⁹ = 2067405133 is a prime.

It is a super-3 number, since 3×2067405645³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117780 + ... + 134189.

It is an arithmetic number, because the mean of its divisors is an integer number (207119340).

Almost surely, 2^2067405645 is an apocalyptic number.

It is an amenable number.

2067405645 is a deficient number, since it is larger than the sum of its proper divisors (1246503795).

2067405645 is a wasteful number, since it uses less digits than its factorization.

2067405645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252524.

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 2067405645 is about 45468.7326082441. The cubic root of 2067405645 is about 1273.9192471737.

The spelling of 2067405645 in words is "two billion, sixty-seven million, four hundred five thousand, six hundred forty-five".