5640939533 has 4 divisors (see below), whose sum is σ = 5675546688. Its totient is φ = 5606332380.

The previous prime is 5640939529. The next prime is 5640939617. The reversal of 5640939533 is 3359390465.

It is a happy number.

5640939533 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5640939533 - 2² = 5640939529 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640939503) 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, 17303333 + ... + 17303658.

It is an arithmetic number, because the mean of its divisors is an integer number (1418886672).

Almost surely, 2^5640939533 is an apocalyptic number.

It is an amenable number.

5640939533 is a deficient number, since it is larger than the sum of its proper divisors (34607155).

5640939533 is a wasteful number, since it uses less digits than its factorization.

5640939533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34607154.

The product of its (nonzero) digits is 1312200, while the sum is 47.

The square root of 5640939533 is about 75106.1883801861. The cubic root of 5640939533 is about 1780.1249263202.

The spelling of 5640939533 in words is "five billion, six hundred forty million, nine hundred thirty-nine thousand, five hundred thirty-three".