5218467649 has 4 divisors (see below), whose sum is σ = 5228926000. Its totient is φ = 5208009300.

The previous prime is 5218467613. The next prime is 5218467673. The reversal of 5218467649 is 9467648125.

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.

It is a cyclic number.

It is not a de Polignac number, because 5218467649 - 2³¹ = 3070984001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5218467596 and 5218467605.

It is not an unprimeable number, because it can be changed into a prime (5218467689) 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, 5228427 + ... + 5229424.

It is an arithmetic number, because the mean of its divisors is an integer number (1307231500).

Almost surely, 2^5218467649 is an apocalyptic number.

It is an amenable number.

5218467649 is a deficient number, since it is larger than the sum of its proper divisors (10458351).

5218467649 is a wasteful number, since it uses less digits than its factorization.

5218467649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10458350.

The product of its digits is 2903040, while the sum is 52.

The square root of 5218467649 is about 72238.9621257116. The cubic root of 5218467649 is about 1734.5267361850.

The spelling of 5218467649 in words is "five billion, two hundred eighteen million, four hundred sixty-seven thousand, six hundred forty-nine".