5471065813 has 4 divisors (see below), whose sum is σ = 5478018400. Its totient is φ = 5464113228.

The previous prime is 5471065781. The next prime is 5471065829. The reversal of 5471065813 is 3185601745.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3185601745 = 5 ⋅637120349.

It is a cyclic number.

It is not a de Polignac number, because 5471065813 - 2⁵ = 5471065781 is a prime.

It is a super-2 number, since 2×5471065813² = 59865122260354701938, 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 (5471065843) 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, 3475113 + ... + 3476686.

It is an arithmetic number, because the mean of its divisors is an integer number (1369504600).

Almost surely, 2^5471065813 is an apocalyptic number.

It is an amenable number.

5471065813 is a deficient number, since it is larger than the sum of its proper divisors (6952587).

5471065813 is an equidigital number, since it uses as much as digits as its factorization.

5471065813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6952586.

The product of its (nonzero) digits is 100800, while the sum is 40.

The square root of 5471065813 is about 73966.6533851573. The cubic root of 5471065813 is about 1762.0733370793.

The spelling of 5471065813 in words is "five billion, four hundred seventy-one million, sixty-five thousand, eight hundred thirteen".