5640043933 has 8 divisors (see below), whose sum is σ = 5659875648. Its totient is φ = 5620247424.

The previous prime is 5640043907. The next prime is 5640043943. The reversal of 5640043933 is 3393400465.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5640043933 - 2¹³ = 5640035741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5640043892 and 5640043901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640043943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335341 + ... + 351757.

It is an arithmetic number, because the mean of its divisors is an integer number (707484456).

Almost surely, 2^5640043933 is an apocalyptic number.

It is an amenable number.

5640043933 is a deficient number, since it is larger than the sum of its proper divisors (19831715).

5640043933 is a wasteful number, since it uses less digits than its factorization.

5640043933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603.

The product of its (nonzero) digits is 116640, while the sum is 37.

The square root of 5640043933 is about 75100.2259184352. The cubic root of 5640043933 is about 1780.0307124482.

The spelling of 5640043933 in words is "five billion, six hundred forty million, forty-three thousand, nine hundred thirty-three".