5731023709 has 4 divisors (see below), whose sum is σ = 5787766620. Its totient is φ = 5674280800.

The previous prime is 5731023707. The next prime is 5731023737. The reversal of 5731023709 is 9073201375.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5441275225 + 289748484 = 73765^2 + 17022^2 .

It is a cyclic number.

It is not a de Polignac number, because 5731023709 - 2¹ = 5731023707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5731023707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28371304 + ... + 28371505.

It is an arithmetic number, because the mean of its divisors is an integer number (1446941655).

Almost surely, 2^5731023709 is an apocalyptic number.

It is an amenable number.

5731023709 is a deficient number, since it is larger than the sum of its proper divisors (56742911).

5731023709 is a wasteful number, since it uses less digits than its factorization.

5731023709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56742910.

The product of its (nonzero) digits is 39690, while the sum is 37.

The square root of 5731023709 is about 75703.5250764454. The cubic root of 5731023709 is about 1789.5509530775.

The spelling of 5731023709 in words is "five billion, seven hundred thirty-one million, twenty-three thousand, seven hundred nine".