5645912033 has 4 divisors (see below), whose sum is σ = 5646459588. Its totient is φ = 5645364480.

The previous prime is 5645912021. The next prime is 5645912081. The reversal of 5645912033 is 3302195465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3302195465 = 5 ⋅660439093.

It can be written as a sum of positive squares in 2 ways, for example, as 201980944 + 5443931089 = 14212^2 + 73783^2 .

It is a cyclic number.

It is not a de Polignac number, because 5645912033 - 2⁴ = 5645912017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5645912533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258008 + ... + 279033.

It is an arithmetic number, because the mean of its divisors is an integer number (1411614897).

Almost surely, 2^5645912033 is an apocalyptic number.

It is an amenable number.

5645912033 is a deficient number, since it is larger than the sum of its proper divisors (547555).

5645912033 is a wasteful number, since it uses less digits than its factorization.

5645912033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547554.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 5645912033 is about 75139.2842193749. The cubic root of 5645912033 is about 1780.6478339845.

The spelling of 5645912033 in words is "five billion, six hundred forty-five million, nine hundred twelve thousand, thirty-three".