5540039709 has 4 divisors (see below), whose sum is σ = 7386719616. Its totient is φ = 3693359804.

The previous prime is 5540039699. The next prime is 5540039731. The reversal of 5540039709 is 9079300455.

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 5540039709 - 2¹⁶ = 5539974173 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5540039749) 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, 923339949 + ... + 923339954.

It is an arithmetic number, because the mean of its divisors is an integer number (1846679904).

Almost surely, 2^5540039709 is an apocalyptic number.

It is an amenable number.

5540039709 is a deficient number, since it is larger than the sum of its proper divisors (1846679907).

5540039709 is a wasteful number, since it uses less digits than its factorization.

5540039709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846679906.

The product of its (nonzero) digits is 170100, while the sum is 42.

The square root of 5540039709 is about 74431.4430130170. The cubic root of 5540039709 is about 1769.4472732322.

The spelling of 5540039709 in words is "five billion, five hundred forty million, thirty-nine thousand, seven hundred nine".