5215645363 has 4 divisors (see below), whose sum is σ = 5301147808. Its totient is φ = 5130142920.

The previous prime is 5215645349. The next prime is 5215645387. The reversal of 5215645363 is 3635465125.

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 5215645363 - 2⁹ = 5215644851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215642363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42751131 + ... + 42751252.

It is an arithmetic number, because the mean of its divisors is an integer number (1325286952).

Almost surely, 2^5215645363 is an apocalyptic number.

5215645363 is a deficient number, since it is larger than the sum of its proper divisors (85502445).

5215645363 is an equidigital number, since it uses as much as digits as its factorization.

5215645363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85502444.

The product of its digits is 324000, while the sum is 40.

The square root of 5215645363 is about 72219.4251084845. The cubic root of 5215645363 is about 1734.2139870776.

The spelling of 5215645363 in words is "five billion, two hundred fifteen million, six hundred forty-five thousand, three hundred sixty-three".