5640979703 has 4 divisors (see below), whose sum is σ = 5644465560. Its totient is φ = 5637493848.

The previous prime is 5640979657. The next prime is 5640979717. The reversal of 5640979703 is 3079790465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5640979703 - 2²⁴ = 5624202487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640979733) 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, 1740500 + ... + 1743737.

It is an arithmetic number, because the mean of its divisors is an integer number (1411116390).

Almost surely, 2^5640979703 is an apocalyptic number.

5640979703 is a deficient number, since it is larger than the sum of its proper divisors (3485857).

5640979703 is a wasteful number, since it uses less digits than its factorization.

5640979703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3485856.

The product of its (nonzero) digits is 1428840, while the sum is 50.

The square root of 5640979703 is about 75106.4558010828. The cubic root of 5640979703 is about 1780.1291518249.

The spelling of 5640979703 in words is "five billion, six hundred forty million, nine hundred seventy-nine thousand, seven hundred three".