5264518209 has 16 divisors (see below), whose sum is σ = 7155333120. Its totient is φ = 3442280400.

The previous prime is 5264518199. The next prime is 5264518229. The reversal of 5264518209 is 9028154625.

It is not a de Polignac number, because 5264518209 - 2¹² = 5264514113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5264518229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37767 + ... + 109340.

It is an arithmetic number, because the mean of its divisors is an integer number (447208320).

Almost surely, 2^5264518209 is an apocalyptic number.

It is an amenable number.

5264518209 is a deficient number, since it is larger than the sum of its proper divisors (1890814911).

5264518209 is a wasteful number, since it uses less digits than its factorization.

5264518209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147340.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5264518209 is about 72556.9997243546. Note that the first 3 decimals coincide. The cubic root of 5264518209 is about 1739.6139330414.

The spelling of 5264518209 in words is "five billion, two hundred sixty-four million, five hundred eighteen thousand, two hundred nine".