5815216343 has 2 divisors, whose sum is σ = 5815216344. Its totient is φ = 5815216342.

The previous prime is 5815216331. The next prime is 5815216409. The reversal of 5815216343 is 3436125185.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5815216343 - 2¹⁶ = 5815150807 is a prime.

It is a super-2 number, since 2×5815216343² = 67633482231788587298, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5815216297 and 5815216306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5815216243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2907608171 + 2907608172.

It is an arithmetic number, because the mean of its divisors is an integer number (2907608172).

Almost surely, 2^5815216343 is an apocalyptic number.

5815216343 is a deficient number, since it is larger than the sum of its proper divisors (1).

5815216343 is an equidigital number, since it uses as much as digits as its factorization.

5815216343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 38.

The square root of 5815216343 is about 76257.5658082528. The cubic root of 5815216343 is about 1798.2716272523.

The spelling of 5815216343 in words is "five billion, eight hundred fifteen million, two hundred sixteen thousand, three hundred forty-three".