2945065653 has 24 divisors (see below), whose sum is σ = 4443036000. Its totient is φ = 1877922144.

The previous prime is 2945065639. The next prime is 2945065663. The reversal of 2945065653 is 3565605492.

2945065653 is a `hidden beast` number, since 2 + 94 + 506 + 5 + 6 + 53 = 666.

2945065653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2945065653 - 2⁵ = 2945065621 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2945065599 and 2945065608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2945065603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55303 + ... + 94596.

It is an arithmetic number, because the mean of its divisors is an integer number (185126500).

Almost surely, 2^2945065653 is an apocalyptic number.

It is an amenable number.

2945065653 is a deficient number, since it is larger than the sum of its proper divisors (1497970347).

2945065653 is a wasteful number, since it uses less digits than its factorization.

2945065653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150001 (or 149998 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 2945065653 is about 54268.4590991858. The cubic root of 2945065653 is about 1433.3920571518.

The spelling of 2945065653 in words is "two billion, nine hundred forty-five million, sixty-five thousand, six hundred fifty-three".