5215645347 has 72 divisors (see below), whose sum is σ = 8088036432. Its totient is φ = 2986938240.

The previous prime is 5215645321. The next prime is 5215645349. The reversal of 5215645347 is 7435465125.

It is not a de Polignac number, because 5215645347 - 2¹⁰ = 5215644323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5215645299 and 5215645308.

It is not an unprimeable number, because it can be changed into a prime (5215645349) 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 71 ways as a sum of consecutive naturals, for example, 30148153 + ... + 30148325.

Almost surely, 2^5215645347 is an apocalyptic number.

5215645347 is a deficient number, since it is larger than the sum of its proper divisors (2872391085).

5215645347 is a wasteful number, since it uses less digits than its factorization.

5215645347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 367 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 5215645347 is about 72219.4249977110. The cubic root of 5215645347 is about 1734.2139853042.

The spelling of 5215645347 in words is "five billion, two hundred fifteen million, six hundred forty-five thousand, three hundred forty-seven".