5264481809 has 6 divisors (see below), whose sum is σ = 5324325570. Its totient is φ = 5204653520.

The previous prime is 5264481793. The next prime is 5264481811. The reversal of 5264481809 is 9081844625.

It can be written as a sum of positive squares in only one way, i.e., 3785694784 + 1478787025 = 61528^2 + 38455^2 .

It is not a de Polignac number, because 5264481809 - 2⁴ = 5264481793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5264481839) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 680654 + ... + 688344.

It is an arithmetic number, because the mean of its divisors is an integer number (887387595).

Almost surely, 2^5264481809 is an apocalyptic number.

It is an amenable number.

5264481809 is a deficient number, since it is larger than the sum of its proper divisors (59843761).

5264481809 is an frugal number, since it uses more digits than its factorization.

5264481809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471 (or 7780 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 5264481809 is about 72556.7488866473. The cubic root of 5264481809 is about 1739.6099236784.

The spelling of 5264481809 in words is "five billion, two hundred sixty-four million, four hundred eighty-one thousand, eight hundred nine".