5757781813 has 4 divisors (see below), whose sum is σ = 6580322080. Its totient is φ = 4935241548.

The previous prime is 5757781811. The next prime is 5757781853. The reversal of 5757781813 is 3181877575.

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 5757781813 - 2¹ = 5757781811 is a prime.

It is a super-2 number, since 2×5757781813² = 66304102812227133938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5757781811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411270123 + ... + 411270136.

It is an arithmetic number, because the mean of its divisors is an integer number (1645080520).

Almost surely, 2^5757781813 is an apocalyptic number.

It is an amenable number.

5757781813 is a deficient number, since it is larger than the sum of its proper divisors (822540267).

5757781813 is an equidigital number, since it uses as much as digits as its factorization.

5757781813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822540266.

The product of its digits is 1646400, while the sum is 52.

The square root of 5757781813 is about 75880.0488468477. The cubic root of 5757781813 is about 1792.3317627416.

The spelling of 5757781813 in words is "five billion, seven hundred fifty-seven million, seven hundred eighty-one thousand, eight hundred thirteen".