5309814815 has 4 divisors (see below), whose sum is σ = 6371777784. Its totient is φ = 4247851848.

The previous prime is 5309814779. The next prime is 5309814821. The reversal of 5309814815 is 5184189035.

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 5309814815 - 2¹⁰ = 5309813791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 530981477 + ... + 530981486.

It is an arithmetic number, because the mean of its divisors is an integer number (1592944446).

Almost surely, 2^5309814815 is an apocalyptic number.

5309814815 is a deficient number, since it is larger than the sum of its proper divisors (1061962969).

5309814815 is a wasteful number, since it uses less digits than its factorization.

5309814815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061962968.

The product of its (nonzero) digits is 172800, while the sum is 44.

The square root of 5309814815 is about 72868.4761402350. The cubic root of 5309814815 is about 1744.5889804609.

The spelling of 5309814815 in words is "five billion, three hundred nine million, eight hundred fourteen thousand, eight hundred fifteen".