5640349743 has 96 divisors (see below), whose sum is σ = 10087773696. Its totient is φ = 2963902464.

The previous prime is 5640349721. The next prime is 5640349789. The reversal of 5640349743 is 3479430465.

5640349743 is a `hidden beast` number, since 564 + 0 + 3 + 49 + 7 + 43 = 666.

It is not a de Polignac number, because 5640349743 - 2⁵ = 5640349711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640349543) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9511255 + ... + 9511847.

It is an arithmetic number, because the mean of its divisors is an integer number (105080976).

Almost surely, 2^5640349743 is an apocalyptic number.

5640349743 is a deficient number, since it is larger than the sum of its proper divisors (4447423953).

5640349743 is a wasteful number, since it uses less digits than its factorization.

5640349743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 45.

The square root of 5640349743 is about 75102.2619033541. The cubic root of 5640349743 is about 1780.0628836725.

The spelling of 5640349743 in words is "five billion, six hundred forty million, three hundred forty-nine thousand, seven hundred forty-three".